Single-player games like Probability 0
Below are 14 single-player Steam games similar to Probability 0, 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 Probability 0 page.
Ranked picks
- 1

Skul: The Hero Slayer
Single-player alternative to Probability 0 — playable solo, no multiplayer required. Shares Action and Indie with Probability 0.
Guide 'Skul' on his quest to single-handedly take on the Imperial Army and rescue his King from captivity, in an action-packed rogue-lite 2D platformer for the ages.
- 2

Rogue Legacy
Single-player alternative to Probability 0 — playable solo, no multiplayer required. Shares Action and Indie with Probability 0.
Rogue Legacy is a genealogical rogue-"LITE" where anyone can be a hero. Each time you die, your child will succeed you. Every child is unique. One child might be colorblind, another might be a dwarf with vertigo. But that's OK, because no one is perfect, and you don't have to be to succeed.
- 3

Risk of Rain (2013)
Single-player alternative to Probability 0 — playable solo, no multiplayer required. Shares Action and Indie with Probability 0.
Risk of Rain is an action platformer with roguelike elements. With permanent death as a primary feature, players will have to play their best to get as far as possible. Fight on a mysterious planet with randomly spawning enemies and bosses, either alone or with 3 friends in online co-op.
- 4

TowerClimb
Single-player alternative to Probability 0 — playable solo, no multiplayer required. Shares Action and Indie with Probability 0.
TowerClimb is a difficult and rewarding procedurally generated platformer with roguelike elements. Enormous and mysterious towers of ancient unknown origin stand above humanity, extending to the heavens. Struggle forward as a weak human, driven by an iron will to reach the top.
- 5

Hell is Other Demons
Single-player alternative to Probability 0 — playable solo, no multiplayer required. Shares Action and Indie with Probability 0.
Hell is Other Demons is an action-platform shooter, with Roguelite elements. Explore a sprawling, hand-crafted world full of demons, insanely over-the-top boss fights, and a heavy synthwave soundtrack.
- 6

ScourgeBringer
Single-player alternative to Probability 0 — playable solo, no multiplayer required. Shares Action and Indie with Probability 0.
ScourgeBringer is a fast-paced free-moving roguelite platformer. Help Kyhra to explore the unknown and slash her way through ancient machines guarding the seal of her past, and maybe the redemption of humanity.
- 7

Flinthook
Single-player alternative to Probability 0 — playable solo, no multiplayer required. Shares Action and Indie with Probability 0.
Live the life of space captain Flinthook! Armed with your mighty hookshot, your uncanny slow-motion powers and your trusty blasma pistol, plunder and fight your way through an infinite variety of randomly-assembled spaceships for treasure, loot and fame!
- 8

Dead Cells
Single-player alternative to Probability 0 — playable solo, no multiplayer required. Shares Action and Indie with Probability 0.
Dead Cells is a roguelite, metroidvania inspired, action-platformer. You'll explore a sprawling, ever-changing castle... assuming you’re able to fight your way past its keepers in 2D souls-lite combat. No checkpoints. Kill, die, learn, repeat.
- 9

VVVVVV
Single-player alternative to Probability 0 — playable solo, no multiplayer required. Shares Action and Indie with Probability 0.
VVVVVV is a platform game all about exploring one simple mechanical idea - what if you reversed gravity instead of jumping?
- 10

Starseed Pilgrim
Single-player alternative to Probability 0 — playable solo, no multiplayer required. Shares Indie with Probability 0.
Starseed Pilgrim is a game about tending a symphonic garden, exploring space, and embracing fate.You are a gardener, tending to empty noise and empty space to fill them both with colour.You are a refugee, building your own world away from the spreading darkness.You are an explorer, discovering new places, new rules, and new fascinations.
- 11

Spelunky
Single-player alternative to Probability 0 — playable solo, no multiplayer required. Shares Indie with Probability 0.
Spelunky is a unique platformer with randomized levels that offer a challenging new experience each time you play. Journey deep underground and explore fantastic places filled with all manner of monsters, traps, and treasure.
- 12

Risk of Rain 2
Single-player alternative to Probability 0 — playable solo, no multiplayer required. Shares Action and Indie with Probability 0.
Escape a chaotic alien planet by fighting through hordes of frenzied monsters – with your friends, or on your own. Combine loot in surprising ways and master each character until you become the havoc you feared upon your first crash landing.
- 13

10mg: HANDMADEDEATHLABYRINTH issue 0
Single-player alternative to Probability 0 — playable solo, no multiplayer required. Shares Action and Indie with Probability 0.
A dungeon crawl in glorious 160x144 resolution. Fight unforgiving battles in tight corridors. Use powerful, limited magic to overcome the odds. Refine your approach and defeat the wizards, or succumb to their will.
- 14

The End of Gameplay
Single-player alternative to Probability 0 — playable solo, no multiplayer required. Shares Action and Indie with Probability 0.
droqen's desperate attempt to explain, or explore, or understand the true meaning of "kill gameplay."