Single-player games like What They Don't Sea
Below are 12 single-player Steam games similar to What They Don't Sea, 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 What They Don't Sea page.
Ranked picks
- 1
Pearls of the Oceans
Single-player alternative to What They Don't Sea — playable solo, no multiplayer required. Shares Adventure and Casual with What They Don't Sea.
Together for the Planet! Evade and outsmart the many dangers of the oceans, collect the Pearls to save the World. Stay on your toes through 100 handcrafted levels and challenge yourself to climb the leaderboard and prevent the war to begin.
- 2
City Of Corals
Single-player alternative to What They Don't Sea — playable solo, no multiplayer required. Shares Adventure with What They Don't Sea.
Save the coral reef city in this cute tiny adventure game! Meet the colourful residents of this underwater city, explore the streets, befriend different species of fish and help them restore the corals to their former glory!
- 3
Takelshin
Single-player alternative to What They Don't Sea — playable solo, no multiplayer required. Shares Adventure with What They Don't Sea.
Takelshin is a 2D platformer in the style of the older 90's video game classics.
- 4
Shallow Pond
Single-player alternative to What They Don't Sea — playable solo, no multiplayer required. Shares Adventure and Casual with What They Don't Sea.
A cozy 3d platformer full of secrets where you explore vibrant worlds across land and water. Developed by solo developer Nimso.
- 5
Legend of Chilli Tree
Single-player alternative to What They Don't Sea — playable solo, no multiplayer required. Shares Adventure and Casual with What They Don't Sea.
Adventurous, explore-and-combat 2D game with spicy storyline and wonderful locations inspired by real places. And of course, lots of deadly chilli peppers! Samurais, Ninjas, variety of moves, combos and tricks. Constantly updated: New features and levels every month.
- 6
Upstream
Single-player alternative to What They Don't Sea — playable solo, no multiplayer required. Shares Adventure and Casual with What They Don't Sea.
Play as a salmon journeying home in this challenging physics based platformer using only two buttons! Remember that on a voyage through innumerable obstacles and constant danger, it is your reaction to adversity that determines your success.
- 7
Toon Ocean VR
Single-player alternative to What They Don't Sea — playable solo, no multiplayer required. Shares Adventure and Casual with What They Don't Sea.
Toon Ocean VR is a collection of four magical experiences in which you can meet friendly inhabitants of the ocean.
- 8
The Squirrel & Sea
Single-player alternative to What They Don't Sea — playable solo, no multiplayer required. Shares Adventure and Casual with What They Don't Sea.
An underwater journey to the squirrel's past memories
- 9
Interfectorem
Single-player alternative to What They Don't Sea — playable solo, no multiplayer required. Shares Adventure with What They Don't Sea.
GIRLS MAKE GAMES presents Interfectorem, a horrifying murder mystery! Interfectorem is the story of Alis, a young sheriff-in-training who lives alone with her sister Sali in a small town next to the woods.
- 10
BlubBlub: Quest of the Blob
Single-player alternative to What They Don't Sea — playable solo, no multiplayer required.
BlubBlub is too cute! Escape through a trial of deadly traps to save all the blub friends!
- 11
Find Me
Single-player alternative to What They Don't Sea — playable solo, no multiplayer required. Shares Adventure with What They Don't Sea.
A lost shadow seeks to be reunited with her human girl, while searching for memories and avoiding the dangerous city lights. Find Me is a 2D puzzle platformer set in a beautiful, surreal cityscape.
- 12
Shredded Secrets
Single-player alternative to What They Don't Sea — playable solo, no multiplayer required. Shares Adventure with What They Don't Sea.
“Be kind; Everyone you meet is fighting a hard battle.” Shredded Secrets is a charming story-based 2D platformer that lets you step into the lives of four people at a middle school - Isabella, Taylor, London and Oakley.