Single-player games like Under The Island
Below are 10 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
Jack Bonecroft 4
Single-player alternative to Under The Island — playable solo, no multiplayer required. Shares Action and Indie with Under The Island.
An outsider. A different world. A warrior who isn't finished yet. Lunara Mistwalker is thrust into a realm of secrets and ancient powers. Four kingdoms. One mission. Jack Bonecroft 4 is a story-driven action RPG. Based on true events witnessed during my business trip to this sector.
- 2
Betrayal at Paragon
Single-player alternative to Under The Island — playable solo, no multiplayer required. Shares Indie and Adventure with Under The Island.
BaP is an action RPG set in a vast immersive world with day night and weather cycles. Take on a variety of side quests, discover 300+ items with magical and physical attributes, master 30+ unique skills. Defeat monsters, give flowers to girls, and uncover all the secrets of the island.
- 3
Helgnar The Conqueror
Single-player alternative to Under The Island — playable solo, no multiplayer required. Shares Action and Indie with Under The Island.
Conquerors can expect throne wars, monster hunting, the toughest moral choices, Long-Lasting Double Consequences, and 10 innovative narrative "Realistic Connections" systems that realize the incredible untapped potential of interactivity and take the Action-RPG genre to a new level of quality.
- 4
Vinterkyla: Shattered Realms
Single-player alternative to Under The Island — playable solo, no multiplayer required. Shares Action and Indie with Under The Island.
A dynamic open-world RPG where your background shapes your story. Rule a tavern, lead a rebellion, or vanish into legend. In a world torn by betrayal and war, your choices reshape the fate of three fractured realms.
- 5
Tajang
Single-player alternative to Under The Island — playable solo, no multiplayer required. Shares Action and Indie with Under The Island.
Tajang is a third-person action RPG inspired by the myths and landscapes of Borneo. Wield a parang, master fast-paced melee combat, explore the boundary between the human and spirit worlds and face powerful supernatural enemies.
- 6
Sef Saga
Single-player alternative to Under The Island — playable solo, no multiplayer required. Shares Action and Indie with Under The Island.
Shape your unique adventure in Sef Saga, a roleplaying sandbox, every game is different! Master 14 skills, talk to anyone, and forge your path. Explore above ground, delve to Magamada, or hunt for treasure in desert Labyrinths. Be a combatant, a farmer, or a trader and more. your destiny awaits.
- 7
Prince of Egypt
Single-player alternative to Under The Island — playable solo, no multiplayer required. Shares Action and Indie with Under The Island.
Rise from a dying slave to a powerful noble in Ancient Egypt. Survive the desert, master trade, forge alliances, fight or steal your way to influence, and help build monuments that will shape an empire.
- 8
Maneater 2
Single-player alternative to Under The Island — playable solo, no multiplayer required. Shares Action and Adventure with Under The Island.
The splash-hit ShaRkPG returns in Maneater 2! Eat, explore, and evolve as you try to escape an invite-only preview event for Neptune’s Kingdom—an ultra-luxury seaside theme park destined for disaster, where YOU are that disaster.
- 9
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!
- 10
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.