Enter the ambient world of Osmos: elegant, physics-based gameplay, dreamlike visuals, and a minimalist, electronic soundtrack. Your objective is to grow by absorbing other motes. Propel yourself by ejecting matter behind you. But be wise: ejecting matter also shrinks you. Relax - good things come to those who wait.
User reviews: Very Positive (604 reviews)
Release Date: Aug 18, 2009

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Reviews

a beautiful, absorbing experience… brilliant to look at… the best videogame music I've heard… will make you forget your cares and immerse you in the game… you'll find yourself returning for the experience. 8.5! Editor’s Choice Award.
IGN

wonderful gameplay… beautifully polished and tantalizingly atmospheric… Osmos mixes puzzle, action and strategy remarkably and all the while does it with great finesse and style.
indiegames.com

beyond doubt, a work of genius... a relaxing, meditative experience about going with the flow... It all adds up to something otherworldly and just . . . incredible.
GameAndPlayer.net

an almost transcendental video game experience… a stellar example of electronic music's potential impact on indie video game production.
londonfuse.ca

About This Game

Enter the ambient world of Osmos: elegant, physics-based gameplay, dreamlike visuals, and a minimalist, electronic soundtrack.

Your objective is to grow by absorbing other motes. Propel yourself by ejecting matter behind you. But be wise: ejecting matter also shrinks you. Relax - good things come to those who wait.

Key features:

  • Independent Games Festival finalist in three categories: Seumas McNally Grand Prize, Excellence in Design and Technical Excellence
  • Progress from serenely ambient levels into varied and more challenging worlds. (47 levels, plus bonus content)
  • Confront attractors, repulsors and intelligent motes with similar abilities and goals as you
  • Selected as one of the 2009 PAX 10
  • Procedural content: play random versions of any level
  • Sublime electronic soundtrack by Loscil, Gas/High Skies, Julien Neto, Biosphere, and more
  • Dynamic time-warping: slow down the flow of time to outmaneuver agile opponents; speed it up to raise the challenge

System Requirements

Windows
Mac OS X
SteamOS + Linux
    • OS: Windows XP or Vista
    • Processor: 1 GHz
    • Memory: 512 MB RAM
    • Graphics: 3D graphics card with OpenGL support. Minimum resolution 800x600
    • DirectX®: N/A (OpenGL)
    • Hard Drive: 33 Mb
    • Sound: definitely :)
    • OS: OS X version Leopard 10.5.8, Snow Leopard 10.6.3, or later
    • OS: Ubuntu 12.04 LTS, fully updated
    • Processor: 1 GHz or faster
    • Memory: 512 Mb or more
    • Graphics: Hardware accelerated OpenGL support. Minimum resolution 800x600
    • Hard Drive: 40 Mb free space
Helpful customer reviews
6 of 7 people (86%) found this review helpful
8.8 hrs on record
Posted: January 15
A relaxing, atmospheric and fun puzzle game that deserves everyone's attention.

Video review:

http://youtu.be/y_knCSv3IDU
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1 of 1 people (100%) found this review helpful
5.3 hrs on record
Posted: December 12, 2014
Osmos is an interesting puzzle concept that is well executed.

The main premise to osmos is that you're some sort of object that has physics that works like planets orbiting, but with the added physics of biological beings that consume one another (through osmosis), hence the name.

Levels are split into different modes (become the biggest, absorb specific entities; amongst others), as well as different layouts (orbiting / static field / moving field). I did find some of the harder levels get a bit tedious, as I ended playing them over and over in order to solve them.

It is entirely mouse based, and it works well. You basically control where your propulsion goes, and attempt to absorb entities that are smaller than yourself. You can slow/speed up time as necesary with the mousewheel, which does a good job at preventing the game from being slow in places.

The graphics are very nice in this game, it does look like what I imagine to be deep water microscopic biology, but in some cases it looks like deep space objects. This is a good combination in the context of this game. Plus, the music in the levels matches well with the graphics.

I couldn't find any bugs while playing this game, but I do feel that maybe a custom level editor would have made a nice addition.

I would definitely reccomend this game if you like puzzles.
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1 of 1 people (100%) found this review helpful
12.5 hrs on record
Posted: January 11
Pre-Release Review
You're a small blob, you want to absorb smaller blobs to become bigger. This lets you eat bigger blobs. But to move you have to spit small blobs behind you! This is pretty much the entire game in a nutshell. It's a great game for those who want something a little more relaxing.
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1 of 1 people (100%) found this review helpful
17.7 hrs on record
Posted: March 18
Wonderful game.

Elegant in its simplicity. A 2D physics engine incorporating momentum and gravity.

3 styles of play:
1) with orbits around centre(s) of gravity (whose strength depend on their mass, to which you can add or remove)
2) without orbits or gravity
3) with vicious A.I. out to consume you or other A.I.

Immersive in its ambience. Hypnotic trance inducing soundtrack. Beautiful visuals.

Highly recommended!
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2 of 4 people (50%) found this review helpful
34.7 hrs on record
Posted: December 29, 2014
Pre-Release Review
Great little game :-)
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1 of 2 people (50%) found this review helpful
0.4 hrs on record
Posted: March 6
6/10
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179 of 194 people (92%) found this review helpful
1 person found this review funny
Posted: September 22, 2011
this game is great. it's the deleted content from spore when you're completely useless.
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44 of 54 people (81%) found this review helpful
1 person found this review funny
20.7 hrs on record
Posted: November 17, 2014
I thought this was a short,relaxing game


It's not.
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22 of 25 people (88%) found this review helpful
8.1 hrs on record
Posted: January 28, 2014
First half of the game is really good, if you like calm and tranquilizing games. You can play this while stoned. :D

Second half is utterly frustrating and the cause of the heap of antidepressants prescriptions in this land. xD
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35 of 49 people (71%) found this review helpful
13.7 hrs on record
Posted: January 30, 2014
When you first start playing Osmos, it's both fun and appealing. However, the later levels increase the difficulty curve far too much. The amount of patience you need to complete some of the later levels is so high that you would need to play the whole level on slow motion and just pray it all goes well.

It's more frustrating than it is fun. Definitely not one I would consider playing unless you have a lot of time to kill and the patience of a saint.
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18 of 21 people (86%) found this review helpful
34.8 hrs on record
Posted: May 22, 2014
The principle of this game is fairly easy: you start off as a small sphere shaped object (I call it the “cell”) and seek to be the largest object on the rectangular shaped map. The rules are simple: if you touch a cell smaller than you in dimensions, you consume the counterpart and grow larger. If you make contact with a larger object, you will be consumed. You can move only by discharging mass from within your cell in the opposite direction you wish to move along. The repulsive force will accelerate your movement. Of course this will make you shrink and be exposed to new threats. So you better not waste too much mass. You are given only one tool and that is the control over the pace of time.

While the rules are readily comprehensible, the gameplay might be a challenge. There are modes where you are concerned with finding the most economic “route” of consumption from a logistical point of view. In another game mode you will find AI controlled opponents who try to grow large as well and eat you before you can eat them. Lastly, you will find a game mode where the organisms are organized like stellar systems – these maps ultimately require basic knowledge of orbital mechanics in order to be mastered.

No matter what game mode you choose, basic knowledge about mass, force, acceleration, velocity, momentum and gravity will come in handy. I wouldn’t say that this is strictly a physicist’s game though. I am sure the game is also fun for people who play it by intuition only, I would recommend it to any puzzle solving gamer. There are an infinite number of maps - each time you beat a map a harder one will be generated, what a perfect challenge!
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18 of 22 people (82%) found this review helpful
4.5 hrs on record
Posted: October 4, 2014
Pre-Release Review
Hemisphere Games is a Canadian developer company that released Osmos back in 2009. They give you the opportunity to control a... well... cell. You need to find other cells that are smaller than you so that you can absorb them and grow bigger. This concept, of course, also means that you need to avoid bigger cells until you are big enough to absorb those, as well. If I remember correctly the criterion on each level is always to become quite big (not necessarily to absorb all the cells on the map).

I like how you need to proper yourself ahead to gain momentum - in the process you are losing matter so you cannot really do this forever as you are gradually becoming smaller. Patience is a virtue!

There are several levels and all are part of 3 major zones - each require you to follow a different playstyle and some of the later levels can be pretty challenging.

The game has an excellent soundtrack full of ambient tracks. They accompany this unique gameplay perfectly. I believe Osmos is one of those indie games that is a must-have.
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13 of 15 people (87%) found this review helpful
2.2 hrs on record
Posted: October 10, 2014
You remember the first evolution stage in Spore? Someone decided to make a full game out of that and it surprisingly ended up being pretty good.
You start off as a little cell in a large map and grow by absorbing other cells, but to do that you will have to move, which costs a bit of your own cell, depending on your current size. Continue to grow until the game says "all right, that's enough, you can move on to the next one now.". And that's about it. There's a couple of little gimmicks here and there and different gravity every now and then, but that's about it. Critics often say that Osmos is a very relaxing and immersive game. Immersive, yes. Relaxing? Hell no. Once you get to the harder stages, the game starts getting pretty frustrating and relies on some luck under certain circumstances. During some of the last stages, I was moving myself very carefully, hoping to god that I wouldn't get killed by one of the larger cells that was barely a pixel away from me. So yeah, claiming the game's relaxing is a lie to the biggest degree.
As for the presentation, I like it. All the cells look great and filled with little details when looked at from up close, but as for the backgrounds, they're basically non-existant. Not that I have a problem with it, considering you're going to focus on the cells for 99,98% of the game.
If there's one thing that Osmos is known for, though, it's without a doubt the music. The OST's been praised for being, well... good. And in this case, I can't deny the soundtrack's pretty damn good. (even though it really doesn't fit in with the player desperately hoping things don't go horribly wrong every stage)
Overall, Osmos is pretty fun, but for 10 bucks, I can't recommend it at that price, but if you can find it on a sale, I'd definately recommend it in that case.
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9 of 9 people (100%) found this review helpful
4.1 hrs on record
Posted: August 1, 2013
Pre-Release Review
This game deserves a well past due recommendation for sure!

This game is really unique; to me, it's like a mix of a relaxing casual ambient music therapy game, tied together to a challenging mind buster that will confuse your emotions in a loving way.

This game, though based on levels that can be completed, very much definitely has an awesome replay value, and visiting a game like this over and over won't ever get old I'm pretty sure honestly.

I just love having this game, and even though I haven't played it in a good bit, it makes me happy thinking about it, it seriously has that affect haha.

And thanks again to WolfSpider for gifting this to me! Much love wolfy brotha! ;D

~ Beeps!
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11 of 13 people (85%) found this review helpful
2.7 hrs on record
Posted: December 3, 2013
It takes careful maneuvering and LOTS of patience to navigate the blobiverse, as it's referred to in Osmos. Basically, you have to steer your little mote around increasingly difficult and complex little bubble universes absorbing other little motes to grow. As you proceed, other challenges are thrown in on top of the basic mission of "grow and survive". This is a fun, casual game that is both laid back and challenging at the same time. The game is enjoyable, attractive (nice visual style/pretty to look at), and has amazingly chill ambient music.
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15 of 23 people (65%) found this review helpful
1 person found this review funny
3.3 hrs on record
Posted: October 7, 2012
This is just another one of those games where your initial response is, "Ah, yeah. This is interesting. This is different. I think I might like this." and that's how it goes for a few hours, playing short sessions every now and then.

Sooner or later you hit the most brutal difficulty curve where your thoughts change from general pleasure to, "♥♥♥♥ THIS ♥♥♥♥! ♥♥♥♥ IT ALL!" and you quit the game and never look back at it again.

Just another one of those games. How unfortunate.

♥♥♥♥ this game.
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8 of 10 people (80%) found this review helpful
0.2 hrs on record
Posted: November 26, 2013
Pre-Release Review
Good game, meditative and transparent.
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8 of 10 people (80%) found this review helpful
3.3 hrs on record
Posted: November 28, 2013
Great little game. Asteroids style phyics / problem solving. Really hope Hemisphere puts out another game sometime.
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3 of 3 people (100%) found this review helpful
39.3 hrs on record
Posted: March 7, 2011
Osmos is, to me, one of the finest casual games you can buy. It offers so much gameplay in a 31 MB download. The music and atmosphere are excellent, and the game exudes a polished sheen that no other game can match. It's simply sublime.

Having said that, I freely admit that it's not for everyone. Many of my friends have called it "frustrating" and "boring". The puzzles require a high degree of patience and they reward forethought. This is not an easy game. If you are having difficulty, slow down.

The only thing I can think of that would improve Osmos would be Steam cloud support. Otherwise, a must-buy game at the next Steam sale!
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4 of 5 people (80%) found this review helpful
6.6 hrs on record
Posted: May 16, 2013
Very fun, casual game with good replayability, if that's a word...well, if it isn't, it is now.
Anyway, this game reminds me a lot of a game called FISHIE where you can eat fish smaller than you but have to stay away from the bigger fish until you're bigger than them.

You're a circle of blob..and basically you can "absorb" other blobs that are smaller than you. But stay away from those big ones, they can "absorb" you, see.
Most of the blobs are malignant, though...and you can easily absorb them until you're the biggest one there.

But then things get more tricky...

Applying things such as gravity, "aggressive" hunter type blobs who also want to "be the biggest" and huge, blob filled-mazes where you have to time and choose carefully where you move....it becomes a much trickier---but no less interesting--game that is fun for hours.
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