Surviving Mars

If Oxygen Not Included worked for you because of a sandbox world, a space setting and single-player focus, the same is here. Both also lean on base building. The distance is in visuals — its own ground is an isometric view.

Games like Oxygen Not Included · Find similar →
We filtered the 21 games similar to Oxygen Not Included down to the 7 that fit the “Space” category. Surviving Mars, Gratuitous Space Battles and Dyson Sphere Program top the list, ranked by affinity and similarity score to Oxygen Not Included.
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Within the “Space” category, the closest game to Oxygen Not Included is Surviving Mars — scoring 79/100 on our similarity scale. Gratuitous Space Battles and Dyson Sphere Program follow close behind.
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Handpicked by our similarity algorithm, these are the titles with the highest gameplay match to Oxygen Not Included. Each one has been evaluated across 16 real attributes — from combat style and progression mechanics to world structure and visual perspective — so every recommendation is based on how the game actually plays, not just its genre label.

If Oxygen Not Included worked for you because of a sandbox world, a space setting and single-player focus, the same is here. Both also lean on base building. The distance is in visuals — its own ground is an isometric view.

It is not Oxygen Not Included's genre, but it is after the same feeling: deep simulation, punishing difficulty and a sandbox world. Both also lean on single-player focus and 2D presentation. The distance is in visuals and genre — its own ground is turn-based strategy and a top-down view.
It predates Oxygen Not Included by 8 years, with what that implies technically.

The thread back to Oxygen Not Included runs through deep simulation, open world exploration and a space setting. To that it adds single-player focus and base building. They part company on visuals and genre: this one brings 3D presentation.
Released 4 years after Oxygen Not Included.

Its point of contact with Oxygen Not Included is deep simulation, a space setting and single-player focus. They part company on visuals and genre: this one brings turn-based strategy and a first-person view.
It predates Oxygen Not Included by 18 years, with what that implies technically.

What carries over from Oxygen Not Included is exploration and discovery, a sci-fi setting, and single-player focus. They part company on visuals and progression: this one brings turn-based strategy and an isometric view.
It predates Oxygen Not Included by 24 years, with what that implies technically.

With Oxygen Not Included it shares a sci-fi setting and multiplayer gameplay. The distance is in visuals and genre — its own ground is turn-based strategy and an isometric view.
It predates Oxygen Not Included by 21 years, with what that implies technically.

Its point of contact with Oxygen Not Included is a sci-fi setting and single-player focus. They part company on visuals and genre: this one brings real-time strategy and an isometric view.
It predates Oxygen Not Included by 11 years, with what that implies technically.
If Oxygen Not Included left you wanting more, this is where you narrow it down. Was it the simulation or the survival that hooked you? There is a list of just that. And if you play on PlayStation and Xbox, filter by platform and skip the games you could not play anyway.
Sometimes what you want is not a Oxygen Not Included look-alike but simply the best Colony Sim Games there are. That is what these rankings are for: no comparison to anything, just the highest-rated games. And if you feel like widening the net, the Strategy Games ranking is a good way to run into something you were not expecting.