Space Engineers is a sandbox game about engineering, construction and maintenance of space works. Players build space ships and space stations of various sizes and utilization (civil and military), pilot ships and perform asteroid mining.
Release Date: Oct 23, 2013

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Early Access Game

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Note: This Early Access game is not complete and may or may not change further. If you are not excited to play this game in its current state, then you should wait to see if the game progresses further in development. Learn more

What the developers have to say:

“Space Engineers is an Early Access game, which means that it is still under development but already in a very playable state and contains a vast amount of new features that have been added since its first release (e.g. Multiplayer, Survival mode). The game is being improved on a regular basis through updates that add and polish features and content, optimizations and bug fixes.

We invite you to give us your feedback and suggestions to help us create the best game possible.

Buy now, play on Steam and receive all future updates for free.

Please be sure to read the list of current features before you buy the game. It will give you an insight on what is or isn't actually working: http://www.SpaceEngineersGame.com/features.html

Everything in the game is subject to change”
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Buy Space Engineers

Buy Space Engineers 4-Pack

Packages that include this game

Buy Medieval Engineers and Space Engineers

Includes 2 items: Medieval Engineers, Space Engineers

 

Recommended By Curators

"An Sandbox Game in Early Access, which is still worth a look, think Minecraft in Space with good graphics and different mechanics."

Recent updates View all (89)

April 23

Update 01.079 - Oxygen Farm, Disabling encounters option

The Oxygen Farm block has been added to the game. It works similarly to the solar panel, but it produces oxygen instead of electricity and doesn't require ice to work. We also added the option to disable encounters in the world. Additionally, the "Save As" option can be now accessed while the player is in the game (on the Main Menu by pressing Esc).

https://www.youtube.com/watch?v=rTFgSio4SsI

Full list of new features and fixes: http://forums.keenswh.com/threads/update-01-079-oxygen-farm-disabling-encounters-option.7358433/

EDIT 04/24/2015:
Update 01.079.008
- fixed crash when equipping tool with custom character
- added interface for oxygen farm

57 comments Read more

April 17

Dev blog-post - Space Engineers: Planets, scenarios and new multiplayer

Our lead developer for Space and Medieval Engineers, Ondrej Petrzilka, is talking in his blog post about planets, scenarios and the new multiplayer in Space Engineers.
http://blog.marekrosa.org/2015/04/guest-post-by-ondrej-petrzilka-space_17.html

90 comments Read more
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Reviews

“Space Engineers makes welding, joining and glazing seem like the best jobs in the world. It looks superb.”
Rock Paper Shotgun

“Buy, unless you are bereft of even the slightest shred of creativity”
PCGamesN

“Space Engineers generates its own unique brand of fun, whether you're more interested in constructing things or blasting them to bits”
IGN

Steam Workshop

Share your creations with the Community (upload and download worlds)

About This Game

Space Engineers is a sandbox game about engineering, construction and maintenance of space works. Players build space ships and space stations of various sizes and utilization (civil and military), pilot ships and perform asteroid mining.

Space Engineers utilizes a realistic volumetric-based physics engine: all objects can be assembled, disassembled, damaged and destroyed. The game comes with two game modes: creative and survival.

Volumetric objects are structures composed from block-like modules interlocked in a grid. Volumetric objects behave like real physical objects with mass, inertia and velocity. Individual modules have real volume and storage capacity.

Space Engineers is inspired by reality and by how things work. Think about modern-day NASA technology extrapolated 60 years into the future. Space Engineers strives to follow the laws of physics and doesn't use technologies that wouldn't be feasible in the near future.

Space Engineers concentrates on construction aspects, but can be played as a tactical shooter as well. We expect players to avoid engaging in direct man-to-man combat and instead use their creativity and engineering skills to build war machines and fortifications. Space Engineers shouldn’t be about troops; it should be about the machinery you build.
 

Early Access

  • Game modes
    - Creative – unlimited resources, instant building, no death
    - Survival – realistic management of resources and inventory capacity; manual building; death and respawn
  • Single-player – you are the sole space engineer
  • Multiplayer - alpha version (not a final version)
    - Creative and survival mode with your friends
    - Cooperative and competitive
    - Privacy customization: offline, private, friends only, public
    - Max 16 players (this may increase in the future)
    - Weapons on/off
    - Copy-paste on/off
  • Scenarios
    - Easy Start 1 – start on an asteroid platform with one large ship and two small ships
    - Easy Start 2 – start in a green asteroid station with several large and small ships (this is a large scene!)
    - Lone Survivor – start on an abandoned asteroid platform with no ships
    - Crashed Red Ship – your mother ship just crashed...
    - Two Platforms – competitive two-team multi-player world
    - Asteroids – start in a rescue ship with very limited resources
    - Empty World – no asteroids, no ships; suitable for creative mode
  • Dedicated servers - allow players to connect to a third party host, rather than using a player-host, in a peer-to-peer set-up. The result is a faster connection and a more fluent multiplayer performance with less lag
  • Ships (small and large ships – build them, pilot them and crush them
  • Space stations
  • First-person & Third-person
  • Super-large worlds – the size of the world to 1,000,000,000 km in diameter (almost infinite)
  • Procedural asteroids - adds an infinite number of asteroids to the game world
  • Exploration - adds an infinite number of ships and stations to the game world; discover, explore, acquire and conquer!
  • Drilling / harvesting
  • Manual building in survival mode – use welder to assemble blocks from components; use grinder to disassemble and reuse components
  • Deformable and destructible objects – real proportions, mass, storage capacity, integrity
  • Building blocks - light armor (cube, slope, corner), heavy armor, interior wall, interior light, small cockpit, large cockpit, cargo container(s), drill (character, large/small ship), ore detector, gravity generator, nuclear reactor, thruster, gyroscope, assembler, medical room, magnetic landing gears, spotlight, catwalk, cover wall, stairs, ramp, window(s), pillar, decoy, wheels, automated turrets, weapons, artificial mass, conveyor, collector, connector, merge block, camera, sensor, timer, text panel
  • Magnetic landing gears – attach your ship to a surface (another ship or asteroid)
  • Electricity - all blocks in a grid are wired in an electrical and computer network; electricity is generated by nuclear reactors
  • Gravity – produced by gravity generators. Spherical gravity generator also available.
  • Rotors – create rotating objects
  • Advanced rotors – able to function as a conveyor system
  • Refinery - process harvested ore to ingots
  • Assembler - manufacture components from ingots
  • Oxygen - take off character's helmet, generate oxygen out of ice by using the oxygen generator
  • Symmetry/Mirroring Mode - useful in creative mode when building structures that require symmetry
  • Weapons - automatic rifle, small and large explosive warheads, small ship gatling gun, small ship missile launcher
  • Solar panels - produce energy depending on the amount of light that they catch from the sun
  • World management – generate new worlds, “save as” to multiple copies, auto-save every 5 minutes (can be turned on/off), edit world settings
  • 32-bit & 64-bit - 64-bit version expands the amount of objects, ships and asteroids (almost unlimited)
  • Steam Workshop - Share your creations with the Community (upload and download worlds)
  • Modding - world files, shaders, textures, 3D models
  • Localized interface (WIP) - Czech, Danish, Dutch, German, Icelandic, Polish, Spanish-Spain, Spanish-Latin America, Finnish, French, Hungarian, Italian, Portuguese-Brazil, Estonian, Norwegian, Swedish, Slovak, Ukrainian, Russian
  • Custom colors for blocks – Customize your creations by using any color you like
  • Cargo ships - auto-piloted vessels (miners, freighters and military) that carry ore, ingots, constructions components and other materials from sector to sector. They can be looted but beware, they often contain booby traps!
  • Environmental hazards – protect your character and your creations from meteor storms (Safe, Normal, Cataclysm, Armageddon)
  • Conveyor, Collector, Connector (IMPORTANT: this is a first work-in-progress version and a realistic version will be added later) - Conveyors move items from inventory to inventory. Collectors can collect small objects (ore, ingots, components, tools) into inventory. Connectors can throw items from inventory to space (in future update could be used to connect two ships/stations and transfer items)
  • Artificial mass – can be used to add gravity-affected mass to ships, useful in machine ships or cars
  • Wheels - use them with rotors and artificial mass to build vehicles
  • Automated turrets – gatling, missile and interior. Turrets are used mostly as defense mechanism rather than shooting other players. They aim on decoys (automatically by default), meteorites, missiles or all moving objects (eg. small/large ships) - targeting can be changed in the control panel
  • Large weapons - missile launcher (for large ships)
  • Large and small ship grinder and welder – assemble and disassemble blocks faster and in larger amount
  • Batteries - enables players to store the energy generated by solar panels or reactors at an efficiency rate of 80%
  • Pistons - offers the option to build more advanced machinery
  • Factions - create and join factions, determine ownership of blocks and manage the relations between them (hostile/ally). NOTE: Factions are currently Work-in-Progress. There are still many things to be added (eg. chat and communication) and some bugs/issues are yet to be fixed.
  • Remote ship control – control ships without being inside the ship’s cockpit (drones)
  • Remote turret control - control turrets directly
  • 3D printing - export (CTRL+ALT+E) and 3D print the creations that you design in the game (http://www.SpaceEngineersGame.com/3d-printing.html)
  • Modding API - brings a lot of new possibilities to modders and allows them to alter the game by writing C# scripts which have access to in-game objects (WIP - more features will be added in the future)
  • Blueprints - save your ship or station on a blueprint and paste it into your game
  • Projector block – project blueprints and weld the projection
  • Sensor – detects ships, palyers, asteroids, stations, floating objects and their state (friendly, neutral or enemy) and ownership
  • Sound block - reproduce predefined sounds such as alarm or siren for announcements
  • Programmable block – players can write small programs executed by the block
  • Communication – chat between players and factions
  • GPS - create, send, receive and manage GPS coordinates in the game
  • Voxel hands - shape and form the asteroids and change their material (creative mode only)
Please be sure to read the list of current features before you buy the game. It will give you an insight on what is or isn't actually working: http://www.SpaceEngineersGame.com/features.html
 

How to Play

Start by watching this video tutorial:
http://www.SpaceEngineersGame.com/how-to-play.html
 

Performance Notes

Space Engineers is in development and undergoing frequent optimizations. The performance will get better.

The performance depends on the complexity of your world and the configuration of your computer. Simple worlds run smoothly even on low-end computers, but a more complex world with rich object interactions could overload even high-end computers.

Please read our performance advices: http://www.SpaceEngineersGame.com/performance-advices.html

Minimum requirements represent the bare minimum to run simple scenes and don’t guarantee a perfect experience.

System Requirements

    Minimum:
    • OS: Microsoft Windows XP (latest SP)
    • Processor: Intel Core2 Duo 2.0 GHz (or AMD equivalent)
    • Memory: 2 GB RAM
    • Graphics: NVIDIA GeForce 8800GT / ATI Radeon HD 3870 / Intel HD Graphics 4000
    • DirectX: Version 9.0c
    • Hard Drive: 2 GB available space
    • Sound Card: DirectX® compatible on-board
    • Additional Notes: No internet connection required to play the game
    Recommended:
    • OS: Microsoft Windows 7 (latest SP)
    • Processor: Intel Quad Core i5 @ 2.5 GHz (or AMD equivalent)
    • Memory: 3 GB RAM
    • Graphics: NVIDIA GeForce GTX 460 / AMD Radeon HD 7800 series
    • DirectX: Version 9.0c
    • Hard Drive: 5 GB available space
    • Sound Card: DirectX® compatible on-board
Helpful customer reviews
265 of 322 people (82%) found this review helpful
2 people found this review funny
3.8 hrs on record
Posted: April 25
Early Access Review
Space Engineers is a great game on its own merit. However, Space Engineers has announced they will offer paid mods. This is an unacceptable practice and I'd advise anyone who is interested in this game not to purchase it to boycott this practice.

Besides fragmenting the modding community with passionate modders and those looking to make a quick buck, this can destroy one of the longest standing pillars of PC gaming. I'm going to assume that anyone reading this review has heard of, and most likely played Counter Strike, Dota, and Team Fortress. All of these started as free community mods made by passionate modders and maintained by a passionate community, many of who downloaded the mod to see what it was all about, none of which would have happened if these mods were behind a paywall. This can also encourage publishers to push games early with the idea that the modders can patch or add missing features to an incomplete game. With Skyrim as our only example so far, many free mods are being stolen and put up on the Steam Workshop for purchase and the creators of those mods not being able to take them down.

Does anyone want to go from playing community made mods the size of DLCS to paying $0.49 for a sword reskin? No, no one at all. While people might respond to me saying that modders should get paid for their work, I agree in some situations and this is not the way to do it. Besides putting their wall behind a paywall and making it inaccessable for many, the modders only get 25% of the revenue while the game developer gets 45% and Valve makes 30%. So if you think, hey this new questline mod is worth $5, I'll buy it to support the modder you're only giving him $1.25 while the developer gets $2.25, and Valve makes $1.50. This should disgust everyone that Valve and the publishers are trying to suck nickels and dimes from every nook and cranny of gaming with the excuse that the players are entitled and need to support the modders. You know what supports the modders? Donation buttons. If you really enjoy a mod, or a modders work than you can throw $5 his way, he earned it and Valve doesn't take a single penny from it.

Dont let Valve ruin PC gaming, stop buying games from Valve, don't purchase these mods, join boycott groups, spread the word, and most importantly send Valve and Gabe an e-mail to state your opinion and dissatisfaction with their attempt to nickle and dime us at everyone corner and inform them you will not be buying anymore games from their marketplace until paid mods are removed from the Steam Workshop.
Was this review helpful? Yes No Funny
261 of 322 people (81%) found this review helpful
4 people found this review funny
160.3 hrs on record
Posted: April 25
Early Access Review
Used to be a good game. Then the devs said they would do the paid mods thing with the workshop. Uninstalled.

EDIT:
I am not saying that modders don't deserve money. A much better idea would be to add an optional donation button that gives 100% of the money to modders, instead of 25%. This would remove paywalls to servers, help with the legal issues, and motivate people to make good mods worthy of receiving donations, instead of quick, easy mods that can be sold for $5.
Was this review helpful? Yes No Funny
248 of 306 people (81%) found this review helpful
3 people found this review funny
63.9 hrs on record
Posted: April 25
Early Access Review
It is fairly fun game, BUT developer just tweeted about a possibility of bringing paid mods to the game. (unto an early access game that is)
Absolutely terrible. The review will stay negative until it is officially overturned. Also, boycotting Medieval Engineers too. And everything by Keen games for that matter
Was this review helpful? Yes No Funny
230 of 282 people (82%) found this review helpful
2 people found this review funny
11.4 hrs on record
Posted: April 25
Early Access Review
This game is pretty good but the devs have interest in paid mods so I would hold off on purchasing.
Was this review helpful? Yes No Funny
276 of 345 people (80%) found this review helpful
2 people found this review funny
0.8 hrs on record
Posted: April 25
Early Access Review
This developer just came out saying they are in support of Valve's new paid workshop mods. I will not support a developer who gets behind this.
Was this review helpful? Yes No Funny
210 of 260 people (81%) found this review helpful
2 people found this review funny
0.6 hrs on record
Posted: April 25
Early Access Review
Haven't gotten around to playing much of this, but paid mods for an unfinished game is ridiculous. Sad because the game is very good, but I can't recommend because of that.
Was this review helpful? Yes No Funny
226 of 283 people (80%) found this review helpful
5 people found this review funny
0.4 hrs on record
Posted: April 25
Early Access Review
Microtransactions for an unfinished game. I wish I would have known they would change their business model before I purchased this fraud of a game. I want a game, not a slot machine.
Was this review helpful? Yes No Funny
192 of 242 people (79%) found this review helpful
2 people found this review funny
0.1 hrs on record
Posted: April 25
Early Access Review
I cannot really recommend this. And additionally I am not in favour of paid mods.
Was this review helpful? Yes No Funny
162 of 203 people (80%) found this review helpful
2 people found this review funny
13.7 hrs on record
Posted: April 25
Early Access Review
The dev is a filthy cash grab.

I endorsed the Medieval Engineers project, fine. But the game isn't even out yet and he's already gonna put up with paid mods. Seriously, take that fist and put it up your ♥♥♥♥♥♥♥♥.
Was this review helpful? Yes No Funny
174 of 221 people (79%) found this review helpful
3 people found this review funny
0.7 hrs on record
Posted: April 25
Early Access Review
The game is already a mess and now they have moved on to some making a different game. Whats worse? They will be making you buy mods tho their unfinished game. Very mad I bought this game.
Was this review helpful? Yes No Funny
179 of 230 people (78%) found this review helpful
2 people found this review funny
9.1 hrs on record
Posted: April 25
Early Access Review
♥♥♥♥ this game, and ♥♥♥♥ paid mods too.
Was this review helpful? Yes No Funny
145 of 182 people (80%) found this review helpful
3 people found this review funny
4.2 hrs on record
Posted: April 25
Early Access Review
Considered and announced paid mods.

Hasn't finished Space Engineers, but moved onto Medieval Engineers development.

Pulled the same "No finish, move on" stunt with a game they "made" before Space Engineers. Which received no support after their move.

Nope your way out of here people.

Was this review helpful? Yes No Funny
145 of 186 people (78%) found this review helpful
2 people found this review funny
0.8 hrs on record
Posted: April 25
Early Access Review
This game is an example of a big tech demo that somehow got classified as a game. Will this 'game' ever be finished? Unlikely, even more unlikely with medieval engineers also in early access.
Was this review helpful? Yes No Funny
141 of 183 people (77%) found this review helpful
2 people found this review funny
23.3 hrs on record
Posted: April 25
Early Access Review
Paid mods
Was this review helpful? Yes No Funny
101 of 128 people (79%) found this review helpful
2 people found this review funny
19.3 hrs on record
Posted: April 23
Early Access Review
i have only one problem with this game... its damanding as ♥♥♥♥, probably because it renders EVERYTHING all the time... expecially things that are soo far away... i think they should add render distance... and a fps feature in the settings... and since you wont be able to see ships far away maybe add an item like say a telescope? or binoculars? or somthing above those lines? also its dark in space... in reality.. you wouldnt be able to see.. anything! so maybe have it start out at a base and have it lite up! and add a light feature! idk just spilling my brain why i dont like this game all that much... hope the developer sees this review and make a bit of changes... in the render distance and make it look dark and add light feature! also planets would be cool heh... also maybe a sun if you get to close you die! that could replace darkeness.. maybe sanity? so if you stay in the dark to long you kinda lose it? because i know if i was in space id lose it... without light anyway and just my flashlight or helmet light thing.. other than this complaint i do like the game and its features... just dont like the render distance thing REALLY" shouldnt be this damanding.. i think
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82 of 103 people (80%) found this review helpful
2 people found this review funny
95.4 hrs on record
Posted: April 10
Early Access Review
Great game love it but i spent around a week playing multiplayer server great fun when a little buggy ships docked shakes like snake until today i was playing and then my ship rattles docked in my big ship SHAKING i get scared and undock it randomly the ship explodes in my hanger damage ALOT OF STUFF(waste few hours of work). I go on repair it another incident happens and another ship blew up becuase of the docking feature bug stay up till 12 am fix it. Next day i play on my big mother ship when then small ship starts shaking and cuases my ships inertia dampers on the big ship to pile drive it into THE ASTEROID AND IM NOT STUPID I HAD INERTIA DAMPERS ON AND IT CAUSED THE SHIPS THRUSTERS TO PILE DRIVE IT INTO THE ASTEROID WE WERE IN RUINING 2 WEEKS OF EVERYNIGHT PLAYING AND LOVING THE GAME ME AND MY FRIEND FROM SCHOOL(i couldnt stop thinking about the game either i loved think of ideas things to do to build to fight with BUT WHEN THIS **** happens why do i want to go back?. Single player GREAT GAME Multiplayer GREAT GAME until your ship you love and can't wait to play with agian splits in half becuase of a stupid multiplayer bug.

Love the game want to play alot more but whats the point if you can't build stuff that will stay together its useless to try to build if it will end in fire when they fix that bug i will play agian.
Was this review helpful? Yes No Funny
70 of 87 people (80%) found this review helpful
2 people found this review funny
59.8 hrs on record
Posted: April 10
Early Access Review
This game has a lot of potential, but in its current state is difficult to play. As an early access game, perfection should not be expected. Nevertheless, there are regular problems with server crashes, components failing to work properly, disconnects causing the loss of resources you've spent ages mining, respawns considerably further away from your last position etc. Just establishing a basic medical bay (to allow fixed location respawn) had to be restarted more than 5 times because until you can build a medical bay, every time the server disconnects you, you have to respawn as a new character with no resources and start from scratch. It has a lot of potential but until at least the server issues are addressed, I would not recommend.
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91 of 120 people (76%) found this review helpful
3 people found this review funny
97.2 hrs on record
Posted: April 25
Early Access Review
Devs are going to support paid mods. This was really good game.
Was this review helpful? Yes No Funny
46 of 59 people (78%) found this review helpful
2 people found this review funny
0.6 hrs on record
Posted: April 25
Early Access Review
After cautiously paying attention to the reviews of this early access title I decided to purchase considering almost every review was positive. The developer has just claimed that they support steams new paid mods system and will give it suppor with space engineers. This early access game has paid mods.
Was this review helpful? Yes No Funny
91 of 134 people (68%) found this review helpful
2 people found this review funny
1.9 hrs on record
Posted: April 25
Early Access Review
sucked
Was this review helpful? Yes No Funny