Single-player games like Marine School Simulator
Below are 8 single-player Steam games similar to Marine School Simulator, 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 Marine School Simulator page.
Ranked picks
- 1
OUTHATCHED
Single-player alternative to Marine School Simulator — playable solo, no multiplayer required. Shares Action and Adventure with Marine School Simulator.
OUTHATCHED™ is a free and unique experience, where you take on the role of powerful birds fighting it out in a 3v3 team battle.
- 2
The Smurfs 2 - The Prisoner of the Green Stone
Single-player alternative to Marine School Simulator — playable solo, no multiplayer required. Shares Action and Adventure with Marine School Simulator.
With your crack team and the help of the SmurfoMix, liberate the village of the Smurfs from the grip of the Green Stone!
- 3
Kena: Bridge of Spirits
Single-player alternative to Marine School Simulator — playable solo, no multiplayer required. Shares Action and Adventure with Marine School Simulator.
A story-driven, action adventure combining exploration with fast-paced combat. Untangle the past as Kena, a young Spirit Guide in search of the sacred Mountain Shrine. Help free the spirits trapped in a forgotten village with the help of the Rot, her adorable (yet powerful) spirit companions.
- 4
Gwen The Hen 64
Single-player alternative to Marine School Simulator — playable solo, no multiplayer required. Shares Action and Adventure with Marine School Simulator.
Gwen the Hen 64 is a tiny 3D platformer collectathon, with precise controls and many different movement options.
- 5
Jusant
Single-player alternative to Marine School Simulator — playable solo, no multiplayer required. Shares Action and Adventure with Marine School Simulator.
Enjoy meditative vibes in Jusant, an action-puzzle climbing game. Scale an immeasurably tall tower and ascend to new heights alongside your watery companion. Master your climbing tools, find your way up through diverse biomes, and piece together the tower’s past.
- 6
Koa and the Five Pirates of Mara
Single-player alternative to Marine School Simulator — playable solo, no multiplayer required. Shares Adventure with Marine School Simulator.
Join Koa and Napopo on a 3D platformer adventure through the islands of Mara! Outwit traps, explore the ocean, maneuver dangerous environments, and have fun in 8 wild worlds on their quest to recover stolen pirate loot.
- 7
Cirno! Lifts a Boulder
Single-player alternative to Marine School Simulator — playable solo, no multiplayer required. Shares Action and Adventure with Marine School Simulator.
Help Cirno get back into her home! A chill, bite-sized 3D platformer in which you explore a frozen Misty Lake and gain boulder-lifting strength.
- 8
Demon Tides
Single-player alternative to Marine School Simulator — playable solo, no multiplayer required. Shares Action and Adventure with Marine School Simulator.
Race across open oceans and uncover a kingdom’s dark secrets. Expressively platform your way across dozens of locales, upgrading your gear and modifying your move-set every step of the way!