Single-player games like Plasticalypse - Submarine Adventures
Below are 8 single-player Steam games similar to Plasticalypse - Submarine Adventures, 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 Plasticalypse - Submarine Adventures page.
Ranked picks
- 1
Sonorous | Deep Down Below
Single-player alternative to Plasticalypse - Submarine Adventures — playable solo, no multiplayer required. Shares Action and Adventure with Plasticalypse - Submarine Adventures.
SONOROUS – Deep Down Below is an unforgiving underwater first-person survival game set in a dystopian world. Find your sunken research to save humanity from an eternal life on the open sea in a continuous fight for survival.
- 2
Europa One
Single-player alternative to Plasticalypse - Submarine Adventures — playable solo, no multiplayer required. Shares Adventure and Casual with Plasticalypse - Submarine Adventures.
Explore the ice-encrusted ocean of Jupiter's moon Europa.
- 3
Submarine VR
Single-player alternative to Plasticalypse - Submarine Adventures — playable solo, no multiplayer required. Shares Action and Adventure with Plasticalypse - Submarine Adventures.
Submarine VR takes you on a adventure-filled underwater simulation experience! Dive deep and cruise through the endless uncharted nature of the ocean and you will see clownfish, dolphins, penguins and mysterious sea animals. Get close to the sea surface and sail in the open sea with your cruise ship
- 4
The Kaiyo Mission
Single-player alternative to Plasticalypse - Submarine Adventures — playable solo, no multiplayer required. Shares Adventure and Casual with Plasticalypse - Submarine Adventures.
Control a submarine or a diver into the depths of unknown underwater worlds and take photographs of alien animals, plants and artefacts. Continue your journey through this casual, side-scroller, exploration game and collect stars to unlock more secrets before travelling to an alien home planet.
- 5
Hadal
Single-player alternative to Plasticalypse - Submarine Adventures — playable solo, no multiplayer required. Shares Adventure with Plasticalypse - Submarine Adventures.
Guide a Nereid Freight submarine crew through Europa’s hostile under-ice oceans. Deliver essential cargo, salvage wrecks, repair failing stations, hunt dangerous lifeforms, and survive in the crushing darkness where every dive carries risk — and nothing stays quiet for long.
- 6
Silent Paradise Anthology
Single-player alternative to Plasticalypse - Submarine Adventures — playable solo, no multiplayer required. Shares Action and Adventure with Plasticalypse - Submarine Adventures.
Discover 4 short metroidvania sci-fi adventures! Explore a submerged city, a lost world reclaimed by machines and a mysterious temple on an alien planet. Unlock new abilities to reach more places and battle deadly foes. Piece together the story of those places and discover how they’re all connected.
- 7
Big Fish
Single-player alternative to Plasticalypse - Submarine Adventures — playable solo, no multiplayer required. Shares Action and Adventure with Plasticalypse - Submarine Adventures.
Explore an underwater dystopian graveyard of giant creatures that once swam the seas. Eat your way to the top of the food chain and grow into a powerful creature of the deep in order to restore an ancient technology and save the ocean from the sunken city's pollution.
- 8
The Fibrous - Operation Reclaim
Single-player alternative to Plasticalypse - Submarine Adventures — playable solo, no multiplayer required. Shares Action and Adventure with Plasticalypse - Submarine Adventures.
The Fibrous - Sci-Fi Online or Single-Player TPS (Over-The-Shoulder) covering the story of an ex-marine recruited by what's left of the military to help take back Earth after a meteor crash-lands into Earth and aliens with fiber-like skin emerge, thinking they can take this planet for their own.