Games like Cube Slayer
Games like Cube Slayer include Vampire Survivors, Megabonk, Brotato, Planes, Bullets and Vodka, and BALL x PIT. We matched them by the tags players give Cube Slayer on Steam (Action, Casual, Singleplayer, Bullet Hell, and Roguelike): closest matches first, and among equally close ones the better-known games.
Vampire Survivors
Shared: Bullet Hell · Singleplayer · 2D
Megabonk
Shared: Roguelike · Bullet Hell · Action
Brotato
Shared: Singleplayer · Roguelike · Bullet Hell
Planes, Bullets and Vodka
Shared: Action · Casual · Bullet Hell
BALL x PIT
Shared: Action · Bullet Hell · Roguelike
Plants vs. Zombies GOTY Edition
Shared: Singleplayer · Casual · Zombies
Left 4 Dead 2
Shared: Zombies · Action · Survival
Rocket Rats
Shared: Casual · Bullet Hell · Action
Yet Another Zombie Survivors
Shared: Zombies · Singleplayer · Roguelike
Bit Blaster XL
Shared: Bullet Hell · Action · Casual
FatalZone
Shared: Bullet Hell · Action · Zombies
Seraph's Last Stand
Shared: Casual · Bullet Hell · Roguelike
Noobs Want to Live
Shared: Action · Bullet Hell · Roguelike
Resident Evil 4
Shared: Action · Singleplayer · Zombies
Enter the Gungeon
Shared: Bullet Hell · Roguelike · Action
Halls of Torment
Shared: Bullet Hell · Action · Roguelike
Timberman
Shared: Casual · Action · Singleplayer
Returnal™
Shared: Action · Bullet Hell · Singleplayer
Apocalypse Party
Shared: Casual · Singleplayer · Bullet Hell
Days Gone
Shared: Singleplayer · Zombies · Action
Call of Duty®: Black Ops III
Shared: Action · Zombies · Singleplayer
Boneraiser Minions
Shared: Bullet Hell · 2D · Singleplayer
DJMAX RESPECT V
Shared: Casual · Action · Singleplayer
Feeding Frenzy 2 Deluxe
Shared: Casual · Singleplayer · Action