Single-player games like Oceaneers
Below are 12 single-player Steam games similar to Oceaneers, 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 Oceaneers page.
Ranked picks
- 1
Life Below
Single-player alternative to Oceaneers — playable solo, no multiplayer required. Shares Strategy and Indie with Oceaneers.
Life Below is a refreshing twist on the city-building genre, set beneath the waves. Shape thriving coral reefs, revive collapsing ecosystems, and grow a living seascape in a heartfelt narrative by Rhianna Pratchett. You are the ocean's final hope.
- 2
Whiskerwood
Single-player alternative to Oceaneers — playable solo, no multiplayer required. Shares Strategy and Simulation with Oceaneers.
Establish a home for your industrious mice under the oppressive paw of your cat overlords in this city builder featuring complex simulations, intricate production chains, and the age-old rivalry between cat and mouse.
- 3
Judgment: Apocalypse Survival Simulation
Single-player alternative to Oceaneers — playable solo, no multiplayer required. Shares Strategy and Indie with Oceaneers.
Build, scavenge, craft, and perform occult rituals to survive in a demon-infested, post-apocalyptic colony simulation. Will you survive Judgment day?
- 4
RimWorld
Single-player alternative to Oceaneers — playable solo, no multiplayer required. Shares Strategy and Indie with Oceaneers.
A sci-fi colony sim driven by an intelligent AI storyteller. Generates stories by simulating psychology, ecology, gunplay, melee combat, climate, biomes, diplomacy, interpersonal relationships, art, medicine, trade, and more.
- 5
Ascent of Ashes
Single-player alternative to Oceaneers — playable solo, no multiplayer required. Shares Strategy and Indie with Oceaneers.
A colony sim set in a post-apocalyptic dystopia. Build and defend your base. Manage your survivors. Engage raiders, aliens, Remnant soldiers and other factions in real-time-with-pause combat. Or use stealth to outwit them. Explore the massive world. Survive at all costs
- 6
Nova Roma
Single-player alternative to Oceaneers — playable solo, no multiplayer required. Shares Strategy and Simulation with Oceaneers.
The glory of Rome is at your fingertips in this city-building game where you must appease the gods, enact laws, and develop complex supply chains to meet the needs of your citizens.
- 7
Timberborn
Single-player alternative to Oceaneers — playable solo, no multiplayer required. Shares Strategy and Indie with Oceaneers.
Humans are long gone. In a world struck by droughts and toxic waste, will your lumberpunk beavers do any better? A sandbox city-building game featuring ingenious animals, vertical architecture, water physics, and terraforming. Contains high amounts of wood.
- 8
Going Medieval
Single-player alternative to Oceaneers — playable solo, no multiplayer required. Shares Strategy and Indie with Oceaneers.
Build and manage your own castle settlement in a land reclaimed by wilderness. With detailed management, survival strategy, and a moddable sandbox world, Going Medieval challenges you to build the mightiest colony this side of the apocalypse.
- 9
Oxygen Not Included
Single-player alternative to Oceaneers — playable solo, no multiplayer required. Shares Indie and Simulation with Oceaneers.
Oxygen Not Included is a space-colony simulation game. Deep inside an alien space rock your industrious crew will need to master science, overcome strange new lifeforms, and harness incredible space tech to survive, and possibly, thrive.
- 10
Raft
Single-player alternative to Oceaneers — playable solo, no multiplayer required. Shares Indie and Adventure with Oceaneers.
Raft™ throws you and your friends into an epic oceanic adventure! Alone or together, players battle to survive a perilous voyage across a vast sea! Gather debris, scavenge reefs and build your own floating home, but be wary of the man-eating sharks!
- 11
Flotsam
Single-player alternative to Oceaneers — playable solo, no multiplayer required. Shares Strategy and Indie with Oceaneers.
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.
- 12
Demonlore
Single-player alternative to Oceaneers — playable solo, no multiplayer required. Shares Strategy and Indie with Oceaneers.
A rogue-lite action strategy game with deck building. Fight the undead legion, forge your path, and gain powerful permanent progression. Godlike difficulty modes, mutators, heroic units, elite enemies, and unlockable rewards - endless replayability awaits!