Single-player games like Oppidum
Below are 10 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
Shamania
Single-player alternative to Oppidum — playable solo, no multiplayer required. Shares Action and Adventure with Oppidum.
Shamania is an open world survival game where you can CRAFT, FIGHT, and EXPLORE a vibrant sandbox world with friends in CO-OP. Expand your base as a hub for survival, gather resources, and master professions to unlock new tools and opportunities!
- 2
Luma Island
Single-player alternative to Oppidum — playable solo, no multiplayer required. Shares Adventure and Simulation with Oppidum.
Get ready to explore, farm, fish, mine, craft, and raise magical Lumas as you solve puzzles and embark on quests across Luma Island. Play solo, or team up with friends in 1-4 player online co-op. Choose relaxing Cozy, challenging Adventure, or epic Hero mode to match your mood and playstyle.
- 3
Core Keeper
Single-player alternative to Oppidum — playable solo, no multiplayer required. Shares Action and Adventure with Oppidum.
Explore a vast cavern of creatures, relics and resources in a mining sandbox adventure for 1-8 players. Mine, build, fight, craft and farm to unravel the mystery of the ancient Core.
- 4
Voyagers of Nera
Single-player alternative to Oppidum — playable solo, no multiplayer required. Shares Action and Adventure with Oppidum.
Voyagers of Nera is a cooperative survival-crafting game where you must survive a magical ocean world brimming with lost spirits and deadly monsters. Sail to distant islands, build beautiful villages and surf across the waves with up to 10 players.
- 5
Forager
Single-player alternative to Oppidum — playable solo, no multiplayer required. Shares Action and Adventure with Oppidum.
The highly popular and quirky "idle game that you want to actively keep playing". Explore, craft, gather & manage resources, find secrets and build your base out of nothing! Buy land to explore and expand!
- 6
Blossom: The Seed of Life
Single-player alternative to Oppidum — playable solo, no multiplayer required. Shares Adventure with Oppidum.
Terraform a dead planet back to life in this open world survival crafting game. Explore ruins, gather resources, print machines, drive modular vehicles, grow forests, biomes, and ecosystems. Create life and make it thrive with your own hands.
- 7
Valheim
Single-player alternative to Oppidum — playable solo, no multiplayer required. Shares Action and Adventure with Oppidum.
A collaborative exploration and survival game for 1-10 players, set in a procedurally generated afterlife inspired by Viking culture. Battle, build, and conquer your way to a saga worthy of Odin’s patronage!
- 8
My Time at Sandrock
Single-player alternative to Oppidum — playable solo, no multiplayer required. Shares Adventure and Simulation with Oppidum.
Travel to the desert community of Sandrock and take on the role of a fledgling Builder. Use your trusty toolset to gather resources, construct machines, and turn your run-down workshop into a well-oiled production facility to save the town from the jaws of economic ruin!
- 9
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?
- 10
Enshrouded
Single-player alternative to Oppidum — playable solo, no multiplayer required. Shares Action and Adventure with Oppidum.
Enshrouded is a solo and co-op survival action RPG where your freedom and creativity come first. Conquer the Shroud, a corrupting fog devouring the kingdom of Embervale: explore a handcrafted world full of secrets, forge your hero your way, and build anything, anywhere in a fully terraformable land.