Games like Petit Petit Petit
Games like Petit Petit Petit include Vampire Survivors, Megabonk, Octogeddon, Hades, and Skul: The Hero Slayer. We matched them by the tags players give Petit Petit Petit on Steam (Casual, Comic Book, Roguelike, Dark Humor, and Shoot 'Em Up): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: Casual · Roguelike · Indie

Megabonk
Shared: Roguelike · Indie · Action

Octogeddon
Shared: Casual · Shoot 'Em Up · Action

Hades
Shared: Indie · Roguelike · Action

Skul: The Hero Slayer
Shared: Indie · Roguelike · Action

Rogue Legacy
Shared: Roguelike · Indie · Action

Balatro
Shared: Roguelike · Singleplayer · Casual

Planes, Bullets and Vodka
Shared: Casual · Shoot 'Em Up · Action

Apocalypse Party
Shared: Casual · Singleplayer · Roguelike

The Binding of Isaac: Rebirth
Shared: Roguelike · Indie · Singleplayer

Cyberhunt
Shared: Casual · Indie · Action

The Binding of Isaac
Shared: Roguelike · Indie · Action

Juicy Realm
Shared: Casual · Indie · Action

Marvel’s Spider-Man Remastered
Shared: Action · Singleplayer · Comic Book

Brotato
Shared: Roguelike · Singleplayer · Indie

Little Inferno
Shared: Casual · Indie · Singleplayer

Getting Over It with Bennett Foddy
Shared: Singleplayer · Casual · Dark Humor

SAMOLIOTIK
Shared: Casual · Indie · Action

Timberman
Shared: Casual · Indie · Action

Hades II
Shared: Roguelike · Action · Indie

Dome Keeper
Shared: Roguelike · Singleplayer · Action

Noobs Want to Live
Shared: Roguelike · Casual · Action

BALL x PIT
Shared: Roguelike · Action · Shoot 'Em Up

Sparkle 2 Evo
Shared: Casual · Indie · Action