Single-player games like Billy 101
Below are 16 single-player Steam games similar to Billy 101, 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 Billy 101 page.
Ranked picks
- 1
CrushBorgs
Single-player alternative to Billy 101 — playable solo, no multiplayer required. Shares Action and Indie with Billy 101.
"Run and Gun" oldschool single-player platformer with NES aesthetics, including an authentic 8-bit chiptune.
- 2
CRISIS Command
Single-player alternative to Billy 101 — playable solo, no multiplayer required. Shares Action and Adventure with Billy 101.
The peaceful island of Yukrea has been invaded by the evil Dread Corps! It's time to blast your way through over 6 stages of mayhem to rescue civilians and push those robots out. Use their own powers against them and help reclaim peace to the island.
- 3
Robot-X
Single-player alternative to Billy 101 — playable solo, no multiplayer required. Shares Action and Indie with Billy 101.
A fast-paced platform shooter inspired by 90s classics. Follow Robot-X on a journey to protect the city from a new danger, fight bosses and jump over pits in this retro experience.
- 4
Halved
Single-player alternative to Billy 101 — playable solo, no multiplayer required. Shares Action and Indie with Billy 101.
Halved is a roguelike action RPG game with only 5 levels and 3 game modes, but innumerable possibilities for each run. Play as one of 5 characters and traverse the dangerous parts of the world with the help of the mysterious Father of all Machines against his rebel/tyrant son, S.A.N.E.D..
- 5
Musasabi
Single-player alternative to Billy 101 — playable solo, no multiplayer required. Shares Action and Indie with Billy 101.
This platform acorn shooter is all about momentum, never stop moving and sticking to the ceiling and walls, run, jump and glide like a flying squirrel, power-ups included, collect diamonds save gnomes and defeat lots of enemies.
- 6
GIGABUSTER
Single-player alternative to Billy 101 — playable solo, no multiplayer required. Shares Action and Indie with Billy 101.
Fiery action platformer heavily inspired by the Mega Man X series, focused on fast and fluid movement and combat. Jump, dash, shoot and swing to stop mergers with the GEC, a monopoly funding the mysterious "Happiness Project."
- 7
ElecHead
Single-player alternative to Billy 101 — playable solo, no multiplayer required. Shares Action and Indie with Billy 101.
⚡＋🤖＋🧩
- 8
Berserk Boy
Single-player alternative to Billy 101 — playable solo, no multiplayer required. Shares Action and Indie with Billy 101.
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
Pets at Work
Single-player alternative to Billy 101 — playable solo, no multiplayer required. Shares Indie and Adventure with Billy 101.
Some pets got lost from their owners in an office and now need to work together, using boxes, mats, buttons, climb on shelves and tables or just make a mess trying to find them in this colorful local co-op game!
- 10
Virtuous Western
Single-player alternative to Billy 101 — playable solo, no multiplayer required. Shares Action and Indie with Billy 101.
Virtuous Western is a strategy game located in the old west, where our protagonist must eliminate all enemies in the area, using a limited amount of bullets to recover your stolen horse.
- 11
Doomed Lands
Single-player alternative to Billy 101 — playable solo, no multiplayer required. Shares Indie and Adventure with Billy 101.
A diabolical demon dooms a teeming island to destruction. Five legendary lieutenants and their minions descend every seven days…but that allows ample time to prepare. Survive, craft, train, and gear up to defend the island!
- 12
Kinduo
Single-player alternative to Billy 101 — playable solo, no multiplayer required. Shares Indie and Adventure with Billy 101.
Kinduo is a local cooperative game where two elemental friends overcome obstacles to return to their island, push boxes, use electricity to connect objects, break ice blocks, blow things up and more in this cute and colorful co-op game!
- 13
Tricks Magician
Single-player alternative to Billy 101 — playable solo, no multiplayer required. Shares Action and Indie with Billy 101.
Tricks Magician is a game about a magician who has been trapped in an alternate reality because of his assistant rabbit's revenge, and now must overcome several challenges with a defying gravity and return to your normal world.
- 14
Doom Work
Single-player alternative to Billy 101 — playable solo, no multiplayer required. Shares Indie and Casual with Billy 101.
In this atypical game, your role is to prevent the working robots from finishing construction to save the forest!
- 15
The Psychoduck
Single-player alternative to Billy 101 — playable solo, no multiplayer required. Shares Indie and Casual with Billy 101.
The Psychoduck is a stealth game about a psychotic duck who collects crowns and has no problem killing all herons in order to increase his collection.
- 16
Blessed Work
Single-player alternative to Billy 101 — playable solo, no multiplayer required. Shares Indie and Casual with Billy 101.
A new work appears, but for some reason the lack of security is everywhere, place objects, activate buttons, move things and do everything in your power to prevent your workers from dying trying to finish the construction in this lemmings-style game!