Single-player games like Orta X
Below are 8 single-player Steam games similar to Orta X, 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 Orta X page.
Ranked picks
- 1
![The Eternal Castle [REMASTERED] — Steam game cover](https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/963450/header.jpg?t=1667004057)
The Eternal Castle [REMASTERED]
Single-player alternative to Orta X — playable solo, no multiplayer required. Shares Action and Indie with Orta X.
The Eternal Castle [REMASTERED] is a remake of the original "ETERNAL CASTLE" from 1987, with additional game mechanics, sophisticated sound design, polished 2-bit CGA animated graphics, and modernized game design.
- 2
Dead Space™ 2
Single-player alternative to Orta X — playable solo, no multiplayer required. Shares Action and Adventure with Orta X.
Three years after the Necromorph infestation aboard the USS Ishimura, Isaac Clarke awakens from a coma, confused, disoriented, and on a space station called The Sprawl. Explore this world and its zero-g environments to discover the truth about the Unitology and its role in the Necromorph epidemic.
- 3
UFO 50
Single-player alternative to Orta X — playable solo, no multiplayer required. Shares Action and Indie with Orta X.
UFO 50 is a collection of 50 single and multiplayer games that span a variety of genres, from platformers and shoot 'em ups to puzzle games, roguelites, and RPGs. Our goal is to combine a familiar 8-bit aesthetic with new ideas and modern game design.
- 4
30XX
Single-player alternative to Orta X — playable solo, no multiplayer required. Shares Action and Indie with Orta X.
Jump, shoot, and slash your way through 30XX, the roguelike action platformer you can play with a friend! Explore lush, ever-changing worlds that mix precise platforming with fevered combat. Destroy fearsome Guardians. Master unique Powers. Rediscover the thousand years we've lost.
- 5
HELLDIVERS™ Dive Harder Edition
Single-player alternative to Orta X — playable solo, no multiplayer required. Shares Action with Orta X.
HELLDIVERS™ is a hardcore, cooperative, twin stick shooter. As part of the elite unit called the HELLDIVERS, players must work together to protect SUPER EARTH and defeat the enemies of mankind in an intense intergalactic war.
- 6
Spelunky 2
Single-player alternative to Orta X — playable solo, no multiplayer required. Shares Action and Indie with Orta X.
Spelunky 2 builds upon the unique, randomized challenges that made the original a roguelike classic, offering a huge adventure designed to satisfy players old and new. Meet the next generation of explorers as they find themselves on the Moon, searching for treasure and missing family.
- 7
Portal 2
Single-player alternative to Orta X — playable solo, no multiplayer required. Shares Action and Adventure with Orta X.
The "Perpetual Testing Initiative" has been expanded to allow you to design co-op puzzles for you and your friends!
- 8
BlazBlue Entropy Effect
Single-player alternative to Orta X — playable solo, no multiplayer required. Shares Action and Indie with Orta X.
Enjoy action-packed flashy combat with incredibly satisfying combos and responsive controls! Numerous characters, each with completely unique playstyles and loads of unlockable moves & upgrades! This action roguelike sets the bar for fluid fast-paced action.