Single-player games like Oppidum
Below are 11 single-player Steam games similar to Oppidum, 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 Oppidum page.
Ranked picks
- 1
Satisfactory
Single-player alternative to Oppidum — playable solo, no multiplayer required. Shares Adventure and Simulation with Oppidum.
Satisfactory is a first-person open-world factory building game with a dash of exploration and combat. Play alone or with friends, explore an alien planet, create multi-story factories, and enter conveyor belt heaven!
- 2
EverRail
Single-player alternative to Oppidum — playable solo, no multiplayer required. Shares Action and Adventure with Oppidum.
A survival crafting adventure set in an infinite frozen world, where your train is your only refuge. Build and expand it into a moving fortress as you journey alone or with up to 4 players. Rescue survivors to stay alive, every loss costs a passenger. Stop for too long, and you risk losing it all.
- 3
Everafter Falls
Single-player alternative to Oppidum — playable solo, no multiplayer required. Shares Action and Adventure with Oppidum.
Rediscover the simple life. Farm, fish, forge and fight to restore the peace in an all-new farming adventure. Features split-screen coop, a helpful pet, automated drones, resourceful pixies, a card-eating progression system, and dangerous dungeons to delve into!
- 4
Brightfall
Single-player alternative to Oppidum — playable solo, no multiplayer required. Shares Action and Adventure with Oppidum.
Lived through the Plague, did you? Now try surviving till morning on an island erased from the maps. Gather, build, and fight to keep your light alive in Brightfall - co-op open world survival-craft where the darkness wants to swallow you whole.
- 5
Survive on Raft
Single-player alternative to Oppidum — playable solo, no multiplayer required. Shares Simulation with Oppidum.
Survive on Raft is a Survival Sandbox Simulator on the Raft in the middle of the ocean! Fight with shark, build base, craft, loot islands, farm and survive. Play solo or with friends.
- 6
KeepUp Survival
Single-player alternative to Oppidum — playable solo, no multiplayer required. Shares Action and Adventure with Oppidum.
KeepUp Survival is an open base-building and exploration game set in a natural, abandoned world. Build, gather, survive, and unfold your own story on a mysterious island.
- 7
Occupy Mars: The Game
Single-player alternative to Oppidum — playable solo, no multiplayer required. Shares Adventure and Simulation with Oppidum.
Survive and colonize Mars in a highly technical, open-world sandbox game. Build and upgrade your base, discover new regions, conduct mining operations, retrieve water, generate oxygen, grow crops, and fix broken parts.
- 8
Don't Starve Together
Single-player alternative to Oppidum — playable solo, no multiplayer required. Shares Action and Adventure with Oppidum.
Fight, Farm, Build and Explore Together in the standalone multiplayer expansion to the uncompromising wilderness survival game, Don't Starve.
- 9
Valheim
Single-player alternative to Oppidum — playable solo, no multiplayer required. Shares Action and Adventure with Oppidum.
A brutal exploration and survival game for 1-10 players, set in a procedurally-generated purgatory inspired by viking culture. Battle, build, and conquer your way to a saga worthy of Odin’s patronage!
- 10
Grounded
Single-player alternative to Oppidum — playable solo, no multiplayer required. Shares Action and Adventure with Oppidum.
The world is a vast, beautiful and dangerous place – especially when you have been shrunk to the size of an ant. Can you thrive alongside the hordes of giant insects, fighting to survive the perils of the backyard?
- 11
Enshrouded
Single-player alternative to Oppidum — playable solo, no multiplayer required. Shares Action and Adventure with Oppidum.
You are Flameborn, last ember of hope of a dying race. Awaken, survive the terror of a corrupting fog, and reclaim the lost beauty of your kingdom. Venture into a vast world, vanquish punishing bosses, build grand halls and forge your path in this co-op survival action RPG for up to 16 players.