Single-player games like Project Delta
Below are 9 single-player Steam games similar to Project Delta, 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 Project Delta page.
Ranked picks
- 1
Raider Kid and the Ruby Chest
Single-player alternative to Project Delta — playable solo, no multiplayer required. Shares Action and Indie with Project Delta.
Sneak away from your boring family vacation and delve into ANCIENT RUINS! Borrow equipment from dead explorers and uncover the secrets of a lost civilization as you leave your parents worried sick. WARNING: The Ruby Chest may contain traces of an ancient curse (and gluten).
- 2
Trash Quest
Single-player alternative to Project Delta — playable solo, no multiplayer required. Shares Action and Indie with Project Delta.
Trash Quest is a compact metroidvania with a single spawn point, run and gun action and tight platforming. Navigate an interwoven maze of rooms through this space station, destroying robots, collecting power ups and unlocking shortcuts.
- 3
Astalon: Tears of the Earth
Single-player alternative to Project Delta — playable solo, no multiplayer required. Shares Action and Adventure with Project Delta.
Uphold your pact with the Titan of Death, Epimetheus! Fight, climb and solve your way through a twisted tower as three unique adventurers, on a mission to save their village from impending doom!
- 4
Timespinner
Single-player alternative to Project Delta — playable solo, no multiplayer required. Shares Action and Indie with Project Delta.
Travel back in time to change fate itself, in this beautifully crafted story-driven adventure, inspired by classic 90s action-platformers. Join timekeeper Lunais on her quest for revenge against the empire that killed her family, using time-bending powers to explore a vast, connected world.
- 5
Alwa's Legacy
Single-player alternative to Project Delta — playable solo, no multiplayer required. Shares Action and Indie with Project Delta.
Alwa’s Legacy is a modern retro game full of dangerous dungeons, mystic items and ancient secrets. Upgrade your magic and choose your own path in this non-linear adventure game brimming with exploration.
- 6
Chasm
Single-player alternative to Project Delta — playable solo, no multiplayer required. Shares Action and Indie with Project Delta.
Explore the depths below a remote mountain town in this procedurally-generated Adventure Platformer. Taking inspiration from hack 'n slash dungeon crawlers and Metroidvania-style platformers, Chasm will immerse you in a fantasy world full of exciting treasure, deadly enemies, and abundant secrets.
- 7
Axiom Verge
Single-player alternative to Project Delta — playable solo, no multiplayer required. Shares Action and Indie with Project Delta.
Explore and uncover the mystery of a surreal alien world by blasting aliens and glitching your environment in this intense retro side-scrolling action/adventure.
- 8
Gato Roboto
Single-player alternative to Project Delta — playable solo, no multiplayer required. Shares Action and Indie with Project Delta.
Pounce inside of your cozy armored mech and set off on a dangerous trek through an alien underworld full of irritable creatures and treacherous obstacles in a valiant effort to save your stranded captain and his crashed spaceship.
- 9
Destroy Space Aliens
Single-player alternative to Project Delta — playable solo, no multiplayer required. Shares Action and Indie with Project Delta.
Challenge yourself and enter the castle of the Legendary Sir Frank Jones V to destroy invading space aliens! Slash, blast, and dash your way to victory in this retro side-scrolling action/adventure.