Single-player games like Buoyancy
Below are 9 single-player Steam games similar to Buoyancy, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Buoyancy page.
Ranked picks
- 1
The Last Haven
Single-player alternative to Buoyancy — playable solo, no multiplayer required. Shares Strategy and Indie with Buoyancy.
The world after a nuclear war. Manage the settlement, learn technology, make decisions, produce weapons, ammunition, organize defense, raid for supplies on other areas, do not let residents die, survive the nuclear winter.
- 2
Judgment: Apocalypse Survival Simulation
Single-player alternative to Buoyancy — playable solo, no multiplayer required. Shares Strategy and Indie with Buoyancy.
Build, scavenge, craft, and perform occult rituals to survive in a demon-infested, post-apocalyptic colony simulation. Will you survive Judgment day?
- 3
They Are Billions
Single-player alternative to Buoyancy — playable solo, no multiplayer required. Shares Strategy with Buoyancy.
They Are Billions is a Steampunk strategy game set on a post-apocalyptic planet. Build and defend colonies to survive against the billions of the infected that seek to annihilate the few remaining living humans. Can humanity survive after the zombie apocalypse?
- 4
Atomic Society
Single-player alternative to Buoyancy — playable solo, no multiplayer required. Shares Strategy with Buoyancy.
Build a town in a post-apocalyptic world. Gather resources to expand and survive. Express your moral and ethical views by setting laws that affect how people live. What kind of society will you make?
- 5
Empires of the Undergrowth
Single-player alternative to Buoyancy — playable solo, no multiplayer required. Shares Strategy with Buoyancy.
Command swarms of warriors at an unprecedented scale of warfare in this blend of RTS and base-building. Lead ant colonies against the many fearsome threats of the insect world, while building intricate nests, developing pheromone-based tactics, and evolving to meet growing dangers.
- 6
Depraved
Single-player alternative to Buoyancy — playable solo, no multiplayer required. Shares Strategy and Indie with Buoyancy.
Depraved is a city builder game with survival aspects, settled in the Wild West. Build towns and establish important outposts to supply your residents with food and other raw materials. Resist the seasons, dangerous animals, and bandits and conquer the Wild West.
- 7
Planetbase
Single-player alternative to Buoyancy — playable solo, no multiplayer required. Shares Strategy and Indie with Buoyancy.
Guide a group of space settlers trying to establish a base on a remote planet. Grow food, collect energy, mine resources, survive disasters and build a self-sufficient colony in a harsh and unforgiving environment.
- 8
Dawn of Man
Single-player alternative to Buoyancy — playable solo, no multiplayer required. Shares Strategy and Indie with Buoyancy.
Command a settlement of ancient humans, guide them through the ages in their struggle for survival. Hunt, gather, craft tools, fight, research new techs and face the challenges the environment will throw at you.
- 9
Flotsam
Single-player alternative to Buoyancy — playable solo, no multiplayer required. Shares Strategy and Indie with Buoyancy.
Sail, scavenge, and rescue survivors in a vibrant floating city-builder. Captain your drifters across the endless garbage sea to uncover soaked ruins, rusting factories, and stories from the old world.