Single-player games like Oceaneers
Below are 13 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
Ecliptica
Single-player alternative to Oceaneers — playable solo, no multiplayer required. Shares Action and Strategy with Oceaneers.
Ecliptica is a first-person open-world colony survival simulator with a fully dynamic economy. Set on a hostile alien planet, you'll found corporations, fight for resources, and build a sustainable future—or be wiped out by ruthless nature, politics, and competition.
- 2
SpaceSlog
Single-player alternative to Oceaneers — playable solo, no multiplayer required. Shares Strategy and Indie with Oceaneers.
Build your spaceship, manage your crew, and explore the cosmos whilst trying to keep your crew alive and your ship fully functioning. This game features simulated ship systems and a lived in universe which creates a challenging, unique and unforgettable experience with every playthrough.
- 3
Corsair Cove
Single-player alternative to Oceaneers — playable solo, no multiplayer required. Shares Strategy and Simulation with Oceaneers.
Build a sprawling pirate haven, raise a fleet to explore the high seas, and take on the Crown to keep the Age of Piracy alive! From ale to flintlock pistols, and from scallywags to swashbucklers, you’ll need to manage complex production chains and govern a rowdy crew to reign supreme over the seas!
- 4
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.
- 5
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.
- 6
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?
- 7
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
- 8
Pax Autocratica
Single-player alternative to Oceaneers — playable solo, no multiplayer required. Shares Action and Indie with Oceaneers.
Build a grand totalitarian colony and personally storm roguelite battlefields with your soldiers. Shape citizens fears, loyalties, bonds, and feuds. Capture enemies, convert them into true believers. Sacrifice the weak. Feed the strong. Wield absolute power and make every life bend to your will.
- 9
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.
- 10
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.
- 11
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!
- 12
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.
- 13
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!