The ultimate starship designer, powered by a deep game simulation: Design a fleet of ships by placing individual modules including weapons, shields, engines, and hallways. Battle A.I. starships to earn bounties or test your design skills against other players.
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Early Access Game

Get instant access and start playing; get involved with this game as it develops.

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:

Why Early Access?

“Since the very beginning of its development, Cosmoteer has been available for anyone to download and play. The feedback from these early players (bug reports, feature suggestions, balance issues, etc...) has been incredibly valuable, and Cosmoteer would not be anywhere near as good without that feedback. We see Steam Early Access as the natural continuation of this player-centric development philosophy, and we will continue to eagerly listen to feedback from the community and use it to make Cosmoteer one of the best games of all time.”

Approximately how long will this game be in Early Access?

“We estimate that Cosmoteer will be in Early Access for about one year, though that is open to change as the scope of the game changes. (But rest assured, we will always be dedicated to stability and keeping the game fun and playable at all times, so you won't be getting an inferior product if we decide to push back the official launch to squeeze in more awesome features.)”

How is the full version planned to differ from the Early Access version?

“We are currently planning to add more gameplay systems (such as mining, missions, and crew customization), more game modes (including a revamped singleplayer campaign and co-op for multiplayer), and more ship modules (new weapons, defenses, and non-combat systems).”

What is the current state of the Early Access version?

“The current version of Cosmoteer is already very playable and polished, and it is fairly stable. Please see the "About This Game" section below for descriptions of the currently-implemented features.

Note that during Early Access, it is possible that occasional updates may break existing saved games from prior versions. (However, we will try our absolute hardest to never break existing ship designs.)”

Will the game be priced differently during and after Early Access?

“The price will likely increase as new features and content are added to the game, probably when exiting Early Access, and possibly during Early Access as well.”

How are you planning on involving the Community in your development process?

“Cosmoteer already has a strong community of thousands of players who have already been providing feedback, sharing their ship designs, and making mods. We developers are on the forums and Discord (chat) regularly responding to questions, suggestions, and bug reports. (There's also an in-game feedback tool that can be used to send feedback directly to us.) We regularly post updates on the game's development and hold community events such as tournaments and design competitions. There is also an online roadmap where you can see all the planned features and vote and comment on them.”
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Available: To Be Announced


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February 8

Play for FREE during Pre-Early Access

Cosmoteer is still in early development and is currently available to download and play for FREE until it officially launches as a paid Early Access game on Steam.

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About This Game

The ultimate starship designer,
powered by a deep game simulation...

Cosmoteer is a starship design, simulation, and battle game. Design a fleet of ships by placing individual modules including weapons, shields, engines, and hallways. Battle A.I. starships to earn bounties or test your design skills against other players. A dynamic crew and combat simulation makes every design decision important and interesting.

Best-In-Class Starship Designer

Design the greatest starship ever made using an interface that is easy-to-learn yet incredibly flexible.

Build your ship by placing individual modules onto a grid—weapons, shields, engines, reactors, crew's quarters, and more! Few restrictions and no pre-defined, creativity-limiting hull shapes mean you can create almost any ship you can imagine.

Inspired by professional art programs, the Ship Designer has full support for Undo & Redo, Copy & Paste, rotation, and mirroring, so you can quickly and easily design giant starships. It even has a "blueprint mode" which allows you to plan for the future and design before spending any money. The Ship Designer is directly integrated into the gameplay—no need to interrupt your flow to tweak your ship or experiment with a new design.

Intelligent Crew Simulation

Every starship is operated by a crew numbering from half-a-dozen to hundreds—sometimes more than a thousand—of individually-simulated people.

A ship's crew is its lifeblood. Crew not only operate its controls, but they also carry supplies such as ammunition and power batteries to weapons and systems. When a weapon wants to shoot, the crew go pick up ammo or batteries at an ammo factory or reactor and bring them to the weapon—all simulated in real-time.

Crew are pretty smart and act mostly on their own, which is a good thing since there can be so many. Your crew are smart enough to figure out what controls need operating, what systems need ammo or power, and how best to get around your ship. They're even smart enough to avoid routes that are already jammed with other people.

The crew simulation is what makes starship design so interesting, because how fast a cannon can shoot or how long a shield can stay charged depends directly on how quickly crew can deliver ammo or power to it. As a player, you'll have to think carefully about how you design your ship's layout so that it operates at peak efficiency without exposing its more vulnerable (and sometimes explosive!) modules.

Physics That Matter

Every ship is part of a 2D physics simulation. Ships have weight and a center-of-mass depending on their size and shape. Small ships with lots of thrusters are realistically fast and nimble, while large ships with proportionally fewer thrusters are naturally slower and more difficult to maneuver.

The position and orientation of your ship's thrusters affects its movement. Thrusters near its center-of-mass are great at pushing the ship forward, whereas off-center thrusters are effective at rotating the ship. Thrusters pointing forward are needed to decelerate, while thrusters pointing to the sides will let it move laterally.

Ships can collide and block weapons fire. Weapons must be placed in locations that have good line-of-sight to the enemy, otherwise the ship will block its own shots.

Emergent Combat Model

Weapons obey the laws of the physics simulation. Whether or not a cannon or laser hits an enemy depends not on a dice roll but upon the physics of the weapon and its target.

Damage is tracked module-by-module, and each module can be individually targeted & destroyed.

Some modules can explode, causing collateral damage to the surrounding modules. This means that you'll have to think carefully about where you place your reactors and munitions. Too close to the edge and they'll be exposed to enemy fire; too far and your weapons won't fire fast enough.

Ships can break apart into multiple pieces when their connecting modules are destroyed. Usually this will be a crippling blow, but any piece that has a control room, power, and thrusters can continue to operate independently, potentially remaining a threat to the enemy.

Epic Tactical Strategy

Classic RTS-style controls make the game easy to learn. Simply right-click where you want your ship to fly, or right-click on an enemy to attack it, and the A.I. will fly your ship there. Advanced controls let you adjust the orientation, distance, and angle of attack.

Target your weapons to focus their fire on the vulnerable parts of enemy ships. Do you take out the weapons first, go for the explosive power core, or eliminate the command-and-control center? Every ship is different, and the right strategy varies greatly.

Command a fleet of ships, outmaneuvering and flanking the enemy to expose its weak side. Specialize your fleet's ships into roles however you see fit.

Starship Painter

The surface of a ship is like an artist's canvas. The Ship Painter is even easier to use than the Ship Designer, requiring no drawing ability to make your ship look great.

Pick a color and texture to customize your ship's basic appearance. If you're not artistically inclined then no need to do more, but otherwise you can...

Add decals to decorate your ship. Every ship has two independently-colored layers of decals. Decals are small shapes, icons, symbols, letters, and numbers that you can stamp on your ship to give it extra visual flourish.

Painting your ship is free and has no effect on gameplay.

Bounty Hunter

You are a bounty hunter, traveling from sector to sector, hunting down renegade enemies and destroying them.

Earn money for every enemy vanquished. Use your income to repair and upgrade your own fleet, growing bigger and more powerful with every victory.

Explore a galaxy in search of bigger and more powerful enemies. The galaxy will crumble before your almighty armada!

Creative Mode

Play in a creative sandbox mode if being a bounty hunter isn't your cup of Earl Grey—the only limit is your imagination! (And the power of your computer.)

Pit your designs against each other and import designs from other players. Ship designs are saved as PNG image files, making them easy to share with others.

Or just turn on the A.I., sit back, and watch massive fleets annihilate each other!


Battle your friends and enemies in real-time, pitting your designs against theirs. Compete to be the master "Starship Architect & Commander" against up to 7 other players in team-versus team battles.

Configure a variety of game options by specifying number of ships, total funds, game speed, and other options. Play tiny skirmishes, massive fleet battles, or anywhere in between.

Play online in public or private lobbies. Local Area Network and direct I.P. address connections are also supported.

Important Note: Multiplayer is NOT SUPPORTED between 32-bit and 64-bit operating systems!

And more!

Everything you should expect from a great PC game, including customizable controls, windowed and borderless display modes, support for high-resolution displays, no mandatory locked framerates, and dozens of other options to tailor the game to your own preferences.

Unobtrusive tutorials that don't interrupt gameplay and are easy to dismiss or turn off altogether. There's no special "tutorial level" you need to play through—the context-sensitive tips are built-in to the main Bounty Hunter mode.

A powerful modding framework lets mods change almost any part of the game data, opening up a universe of possibilities beyond the base game. A mods manager makes it easy to install and uninstall mods created by the Cosmoteer community.

System Requirements

    • OS: 32-bit or 64-bit Microsoft Windows 7 (Service Pack 1 required), Windows 8.1 (8.0 not supported), or Windows 10
    • Processor: Dual-core Intel 2.0 GHz (or AMD equivalent)
    • Memory: 4 GB RAM
    • Graphics: 512MB DirectX 9.1 Graphics Card or better
    • Storage: 150 MB available space
    • Sound Card: DirectX compatible sound card
    • Additional Notes: Multiplayer is not supported between 32-bit and 64-bit operating systems. A 64-bit operating system is recommended for compatibility with most other players. No internet connection is required to use singleplayer features.
    • OS: 64-bit Microsoft Windows 7 (Service Pack 1 required), Windows 8.1 (8.0 not supported), or Windows 10
    • Processor: Quad-core Intel 2.5 GHz (or AMD equivalent) or better
    • Memory: 8 GB RAM
    • Graphics: 1GB DirectX 11 Graphics Card or better
    • Storage: 300 MB available space
    • Sound Card: DirectX compatible sound card
    • Additional Notes: Multiplayer is not supported between 32-bit and 64-bit operating systems. A 64-bit operating system is recommended for compatibility with most other players. No internet connection is required to use singleplayer features.
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