Single-player games like Alien Scumbags
Below are 14 single-player Steam games similar to Alien Scumbags, 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 Alien Scumbags page.
Ranked picks
- 1

Cybernetic Ninja Nuns
Single-player alternative to Alien Scumbags — playable solo, no multiplayer required. Shares Action with Alien Scumbags.
To accomplish your mission, battle the Robo Demoniac legions and deliver Europe from the clutches of darkness in a race against death itself. An action platformer from another world, brought to you by The Good Bad Guy.
- 2

Flappatron
Single-player alternative to Alien Scumbags — playable solo, no multiplayer required. Shares Action and Adventure with Alien Scumbags.
Flappatron - A Quirky Action Game/Visual Novel Hybrid Flappatron combines fast, arcade action alongside a fully voice acted visual novel narrative from creative mind, Dexter Manning!
- 3

Dead Dungeon
Single-player alternative to Alien Scumbags — playable solo, no multiplayer required. Shares Action and Adventure with Alien Scumbags.
Challenging 2D platformer in the best traditions of classic games, with an excellent chiptune soundtrack. The game will check your nerves for strength and bring a lot of emotions.
- 4

The Rocky Horror Show Video Game
Single-player alternative to Alien Scumbags — playable solo, no multiplayer required. Shares Action and Adventure with Alien Scumbags.
A strange journey
- 5

GIGANTIC ARMY
Single-player alternative to Alien Scumbags — playable solo, no multiplayer required. Shares Action with Alien Scumbags.
Side-scrolling mech-shooting bad-assery is BACK!GIGANTIC ARMY is a heartfelt homage to 16-bit era mech shooters such as Cybernator / Assault Suits Valken, Metal Warriors, and Front Mission: Gun Hazard, developed by the studio behind the acclaimed shooter SATAZIUS.
- 6

Super Time Force Ultra
Single-player alternative to Alien Scumbags — playable solo, no multiplayer required. Shares Action with Alien Scumbags.
Super Time Force Ultra is an insane platformer filled with robots and dinosaurs and fun and time travel... sometimes all at the same time!
- 7

Angry Video Game Nerd I & II Deluxe
Single-player alternative to Alien Scumbags — playable solo, no multiplayer required. Shares Action and Adventure with Alien Scumbags.
Control "The Nerd" in a retro-inspired action platformer! It's two games in one, remixed and rebalanced to bring you the ultimate experience of Nerd Rage. Featuring stylized pixel art inspired by classic games, a highly energetic soundtrack, and challenging levels -- plus a special NEW chapter!
- 8

Guns, Gore & Cannoli
Single-player alternative to Alien Scumbags — playable solo, no multiplayer required. Shares Action with Alien Scumbags.
Guns, Gore & Cannoli - An over-the-top, comical and fast-paced action game with hand-drawn graphics set in the Roaring Twenties. An all-you-can-shoot fest where you embody Vinnie, a mobster with a mission in a city controlled by gangsters and plagued by zombies. Featuring up to 4-man local co-op.
- 9

Mortal Kombat X
Single-player alternative to Alien Scumbags — playable solo, no multiplayer required. Shares Action with Alien Scumbags.
Experience the Next Generation of the #1 Fighting Franchise. Mortal Kombat X combines unparalleled, cinematic presentation with all new gameplay.
- 10

Street Fighter V
Single-player alternative to Alien Scumbags — playable solo, no multiplayer required. Shares Action with Alien Scumbags.
Experience the intensity of head-to-head battles with Street Fighter® V! Choose from 16 iconic characters, then battle against friends online or offline with a robust variety of match options.
- 11

DOOM
Single-player alternative to Alien Scumbags — playable solo, no multiplayer required. Shares Action with Alien Scumbags.
Now includes all three premium DLC packs (Unto the Evil, Hell Followed, and Bloodfall), maps, modes, and weapons, as well as all feature updates including Arcade Mode, Photo Mode, and the latest Update 6.66, which brings further multiplayer improvements as well as revamps multiplayer progression.
- 12

Street Fighter™ 6
Single-player alternative to Alien Scumbags — playable solo, no multiplayer required. Shares Action and Adventure with Alien Scumbags.
Here comes Capcom’s newest challenger! Street Fighter™ 6 launches worldwide on June 2nd, 2023 and represents the next evolution of the Street Fighter™ series! Street Fighter 6 spans three distinct game modes, including World Tour, Fighting Ground and Battle Hub.
- 13

Mortal Kombat 1
Single-player alternative to Alien Scumbags — playable solo, no multiplayer required. Shares Action with Alien Scumbags.
Discover a reborn Mortal Kombat™ Universe created by the Fire God Liu Kang. Mortal Kombat™ 1 ushers in a new era of the iconic franchise with a new fighting system, game modes, and fatalities!
- 14

Haloo
Single-player alternative to Alien Scumbags — playable solo, no multiplayer required. Shares Action with Alien Scumbags.
Fight the endless mass of enemies, collect loot, get stronger and Haloo!