Single-player games like yttrium X
Below are 16 single-player Steam games similar to yttrium 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 yttrium X page.
Ranked picks
- 1
The Forge: Steel Frontier
Single-player alternative to yttrium X — playable solo, no multiplayer required. Shares Action and Adventure with yttrium X.
The Forge is a mech-combat sci-fi action game. Step into the cockpit as mercenary pilot Ivan and fight alongside a mech with a soul—Machine Spirit. Dormant Dragon holds a strange and rare mineral. When wolves come for the ore, you and your mech must choose, and planet's fate hangs in the balance.
- 2
Knuckle Paradise ®
Single-player alternative to yttrium X — playable solo, no multiplayer required. Shares Action and Adventure with yttrium X.
A pixel-powered, combo-packed character action game starring Jane (a retired boxer) and her sidekick, Cocotte (a warrior… chicken?). Fight everybody. Learn combos from a pirate seagull. Fight harder. Level up your chicken. Find your kidnappers. Teach them a lesson.
- 3
Cyber Wukong
Single-player alternative to yttrium X — playable solo, no multiplayer required. Shares Action and Adventure with yttrium X.
Cyber Wukong is an exhilarating Roguelite action game! Here, immortal arts are black tech, and magical treasures are cybernetic creations. Enter a twisted West world of data, steel, and incense. Forge your combat style and face the mechanical Buddha, chanting scriptures and wielding a gun
- 4
SD GUNDAM BATTLE ALLIANCE
Single-player alternative to yttrium X — playable solo, no multiplayer required. Shares Action with yttrium X.
SD Gundam Battle Alliance is a multiplayer Gundam action RPG where you can smash foes solo or with friends in thrilling mechanized combat. Acquire new mobile suits, power them up, and take them into battle in various missions!
- 5
RWBY: Grimm Eclipse
Single-player alternative to yttrium X — playable solo, no multiplayer required. Shares Action and Adventure with yttrium X.
RWBY: GRIMM ECLIPSE is a 4 player, online co-op, hack and slash game based upon Rooster Teeth’s international hit series RWBY.
- 6
Vanquish
Single-player alternative to yttrium X — playable solo, no multiplayer required. Shares Action with yttrium X.
PlatinumGames’ revolutionary sci-fi action shooter slide-boosts onto PC. Battle legions of future-tech enemies using a vast arsenal of weapons, including all DLC. Fully unlocked framerate and gorgeous HD resolutions up to 4K. The definitive way to play: war has accelerated.
- 7
The Wonderful 101: Remastered
Single-player alternative to yttrium X — playable solo, no multiplayer required. Shares Action and Adventure with yttrium X.
Lead an army of 100 Wonderful Ones from around the world in this Unite Action spectacular!
- 8
Berserk Boy
Single-player alternative to yttrium X — playable solo, no multiplayer required. Shares Action and Adventure with yttrium X.
BERSERK BOY is a high speed action packed Platformer, with Metroidvania elements. Packed with vibrant and stylish pixel art. Go Berserk! as you change into different forms and use the power of Lightning, Fire, Ice, Air, and Earth to save the planet!
- 9
Super Hipster Lumberjack
Single-player alternative to yttrium X — playable solo, no multiplayer required.
You can't beat this game!!! Noah attempts to make a game for the first time. He then gets trapped in his own creation.
- 10
Otter Space Rescue
Single-player alternative to yttrium X — playable solo, no multiplayer required. Shares Action and Adventure with yttrium X.
Your Otter Space crew has been captured by evil robots. Save your team and fight together through endless rooms of evil robots.
- 11
Apastron
Single-player alternative to yttrium X — playable solo, no multiplayer required. Shares Action and Adventure with yttrium X.
The multiverse is in danger! Defend the world of Coelho #6, in this retro styled open world FPS.
- 12
Entodrive
Single-player alternative to yttrium X — playable solo, no multiplayer required. Shares Adventure with yttrium X.
Monster Taming RPG about collecting magical computer bugs while exploring Cache Isle!
- 13
Vacancy Unlimited
Single-player alternative to yttrium X — playable solo, no multiplayer required. Shares Action and Adventure with yttrium X.
The dead fill the streets you grew up on. It's time to leave home in search for your father. Uncover the magical secrets of your family's past that will shape the apocalypse as you know it.
- 14
Spryward
Single-player alternative to yttrium X — playable solo, no multiplayer required. Shares Action and Adventure with yttrium X.
2.5D comic book goodness wrapped into an ongoing superhero game! This double feature includes issues 1-4 of the sidescroller Spryward and Issue 1 of the open world Spryward & Slushy. Features hand drawn characters set in the Apastron shared universe.
- 15
American Eristics
Single-player alternative to yttrium X — playable solo, no multiplayer required. Shares Adventure with yttrium X.
Would you believe one of your friends is a killer? Return home in this 2.5D horror story.
- 16
Red Silhouette
Single-player alternative to yttrium X — playable solo, no multiplayer required. Shares Action and Adventure with yttrium X.
2.5D survival horror game, where Eevi works security at the abandoned Silver Leaf Mall known to contain doors to many dead dreams.