Single-player games like Under The Island
Below are 9 single-player Steam games similar to Under The Island, 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 Under The Island page.
Ranked picks
- 1
Ocean's Heart
Single-player alternative to Under The Island — playable solo, no multiplayer required. Shares Action and Indie with Under The Island.
Ocean’s Heart is an epic top-down action RPG in which you explore a beautiful archipelago as a young woman named Tilia. Take on contracts to fight monsters, descend deep into ancient dungeons, defeat menacing foes, and unravel the mystery of Ocean’s Heart. All done in beautiful, bright pixel art.
- 2
Pipistrello and the Cursed Yoyo
Single-player alternative to Under The Island — playable solo, no multiplayer required. Shares Action and Indie with Under The Island.
Are you ready for the first Yoyovania?! In this 2D top-down adventure you'll explore a sprawling urban landscape, reinterpreting your surroundings through your mastery of yoyo tricks. Navigate the city's many districts, fight rival crime bosses, and regain the influence of the Pipistrello family!
- 3
Crypt Custodian
Single-player alternative to Under The Island — playable solo, no multiplayer required. Shares Adventure with Under The Island.
Crypt Custodian is a charming metroidvania about cleaning up the afterlife. Play as Pluto - a mischievous cat who has died, and is sentenced to be the afterworld's janitor... FOREVER! Hang out with other doomed ghosts, battle beasts, and explore a vastly expansive landscape.
- 4
Cat Quest III
Single-player alternative to Under The Island — playable solo, no multiplayer required. Shares Action and Indie with Under The Island.
In Cat Quest III you play as a purrivateer in a freely explorable 2.5D open-world swarming with Pi-rats. You can sail the seas in your ship for treasures galore! But prepare for peril, as the Pirate King aims to hunt you down...
- 5
Eastward
Single-player alternative to Under The Island — playable solo, no multiplayer required. Shares Action and Indie with Under The Island.
Welcome to the charming world of Eastward - population declining! Journey through a society on the brink of collapse. Discover delightful towns, strange creatures and even stranger people! Wield a trusty frying pan and mystic powers on an adventure into the unknown…
- 6
Isles of Sea and Sky
Single-player alternative to Under The Island — playable solo, no multiplayer required. Shares Indie and Adventure with Under The Island.
A fantastic, oceanic, open world puzzle adventure. Solve innovative block puzzles while unearthing a mystifying story, gaining new friends that change the puzzle landscape, and unlocking powers that provide more options for how you choose to progress through the enigmatic Isles of Sea and Sky.
- 7
Escape from Ever After
Single-player alternative to Under The Island — playable solo, no multiplayer required. Shares Indie and Adventure with Under The Island.
Fight against capitalism in this satirical adventure RPG! When a greedy megacorp from the real world starts taking over fairytales for their cheap labor, a newly-hired storybook hero must climb the corporate ladder, rally together other disgruntled employees, and fight back!
- 8
Drova - Forsaken Kin
Single-player alternative to Under The Island — playable solo, no multiplayer required. Shares Action and Indie with Under The Island.
Drova is an Action-RPG that marries the dark grim tones of its genre with the mysticism of Celtic mythology. Encounter a society where ancient restless spirits and divided factions battle for dominance. Uncover forgotten abilities and unravel the secrets of a past shrouded in mystery.
- 9
Pixel Beef Battle
Single-player alternative to Under The Island — playable solo, no multiplayer required. Shares Action and Indie with Under The Island.
Pixel Beef Battle is a modern multiplayer game inspired by classic plattformers. You play together or against each other, mastering the always increasing difficulty and unlocking new characters. Use your Skills and Power-Ups to beat as many enemies as possible and collect diamonds to level up.