Games like 蝶々反乱
Games like 蝶々反乱 include Vampire Survivors, Cult of the Lamb, Enter the Gungeon, BALL x PIT, and Pass the Fear. We matched them by the tags players give 蝶々反乱 on Steam (Action, Strategy, Shooter, Action Roguelike, and 2D Platformer): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: Action Roguelike · Bullet Hell · 2D

Cult of the Lamb
Shared: Action Roguelike · Cute · Strategy

Enter the Gungeon
Shared: Action Roguelike · Bullet Hell · Action

BALL x PIT
Shared: Action · Action Roguelike · Bullet Hell

Pass the Fear
Shared: Action Roguelike · Strategy · Action

Rocket Rats
Shared: Action Roguelike · Bullet Hell · Action

Have a Nice Death
Shared: Action Roguelike · Action · 2D

ShellShock Live
Shared: Strategy · Action · Shooter

Door Kickers
Shared: Strategy · Action · Top-Down

Nuclear Throne
Shared: Action Roguelike · Action · Bullet Hell

Halls of Torment
Shared: Action Roguelike · Bullet Hell · Action

Door Kickers: Action Squad
Shared: Action · 2D Platformer · Shooter

Death Must Die
Shared: Action Roguelike · Bullet Hell · Action

Tower of Babel: Survivors of Chaos
Shared: Action Roguelike · Action · Bullet Hell

Skul: The Hero Slayer
Shared: Action · Action Roguelike · 2D

PUBG: BATTLEGROUNDS
Shared: Shooter · Action · Strategy

Freeman: Guerrilla Warfare
Shared: Action · Strategy · Shooter

Rabbit and Steel
Shared: Action Roguelike · Bullet Hell · Cute

Nordic Ashes: Survivors of Ragnarok
Shared: Action Roguelike · Bullet Hell · Strategy

Counter-Strike: Source
Shared: Action · Shooter · Strategy

Rogue: Genesia
Shared: Action Roguelike · Bullet Hell · Action

Reassembly
Shared: Strategy · Action · 2D

Star of Providence
Shared: Action Roguelike · Bullet Hell · Action

