Single-player games like Castaway
Below are 11 single-player Steam games similar to Castaway, 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 Castaway page.
Ranked picks
- 1

SUGAMENIA
Single-player alternative to Castaway — playable solo, no multiplayer required. Shares Action and Indie with Castaway.
Immerse yourself in SUGAMENIA, a 2D action platformer, where you'll have to solve puzzles in an epic adventure.
- 2

The Bounty Huntress
Single-player alternative to Castaway — playable solo, no multiplayer required. Shares Action and Indie with Castaway.
In this a Metroidvania style game made in crispy pixel art, Join Rhea , a bounty huntress with a task to save some people who have been kidnapped and taken to an old abandoned castle where there are many dangers, she needs your help to rescue these people and to bring peace to the city of Vaunard
- 3

The Adventures of Poppe
Single-player alternative to Castaway — playable solo, no multiplayer required. Shares Action and Indie with Castaway.
A 2D adventure platformer game where a little man named Poppe explores different locations, finds various items and uses them along his way, fights against dangerous insects and survives in this gigantic world.
- 4

Cosmobreeder Yiffai
Single-player alternative to Castaway — playable solo, no multiplayer required. Shares Action and Indie with Castaway.
Travel to a forgotten world and study alien creatures in this authentic retro metroidvania!
- 5

Quebec Mortis
Single-player alternative to Castaway — playable solo, no multiplayer required. Shares Action and Indie with Castaway.
Top down retro adventure game including 4 different stories.
- 6

I Wanna Build a Robot
Single-player alternative to Castaway — playable solo, no multiplayer required. Shares Action and Adventure with Castaway.
Action-packed pixel-art old-schol dungeon crawler ! A little boy is stuck at home waiting for his mom.
- 7

Dungeon Killer
Single-player alternative to Castaway — playable solo, no multiplayer required. Shares Action and Indie with Castaway.
Dungeon Killer is a fast-paced boss rush shoot ’em up where you play as Astrid, a woman determined to bargain for her husband’s resurrection with the goddess of death herself. Armed with a minigun, you’ll descend into an infernal dungeon and face deadly, unsettling female enemies.
- 8

Blazing Trail
Single-player alternative to Castaway — playable solo, no multiplayer required. Shares Action and Indie with Castaway.
Escape failed! All we have left is our will to survive, the endless hordes of enemies, and enough bullets to rip them all to shreds. Blazing trail. Vertical co-op shooter, offering accessible, action-packed gameplay.
- 9

Xeodrifter
Single-player alternative to Castaway — playable solo, no multiplayer required. Shares Action and Indie with Castaway.
Xeodrifter is the story of an interstellar drifter traveling the stars on a simple mission of exploration. We join our nomad as he embarks on the investigation of a small cluster of four planets in the omega sector, after a collision with a rogue asteroid damaged his warp core.
- 10

The Legend of Heroes: Trails of Cold Steel
Single-player alternative to Castaway — playable solo, no multiplayer required.
At Thors Military Academy, Erebonia’s best learn everything from the art of war to liberal arts. First year Rean Schwarzer learns he’s been selected to join the controversial Class VII, and they’ll need to deal with more than just class warfare--they’ll need to safeguard their country from chaos.
- 11

LUNARK
Single-player alternative to Castaway — playable solo, no multiplayer required. Shares Action and Indie with Castaway.
A pixel-art sci-fi adventure set in the midst of a rebellion against a totalitarian regime, LUNARK is a modern take on the 2D cinematic platformer genre of the '90s. Run, jump, hang, climb, roll, and shoot your way through gorgeous and mysterious locations!