Games like Super Kill-BOI 9000
Games like Super Kill-BOI 9000 include Vampire Survivors, Brotato, 20 Minutes Till Dawn, BALL x PIT, and Deep Rock Galactic: Survivor. We matched them by the tags players give Super Kill-BOI 9000 on Steam (Action Roguelike, Arena Shooter, Roguelite, Casual, and Top-Down Shooter): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: Action Roguelike · Roguelite · Bullet Hell

Brotato
Shared: Action Roguelike · Bullet Hell · Arena Shooter

20 Minutes Till Dawn
Shared: Action Roguelike · Roguelite · Bullet Hell

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

Deep Rock Galactic: Survivor
Shared: Action Roguelike · Roguelite · Top-Down Shooter

SNKRX
Shared: Action Roguelike · Arena Shooter · Roguelite

Nova Drift
Shared: Roguelite · Action Roguelike · Shoot 'Em Up

Bounty of One
Shared: Arena Shooter · Top-Down Shooter · Action Roguelike

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

FatalZone
Shared: Action Roguelike · Roguelite · Arena Shooter

Time Wasters
Shared: Action Roguelike · Roguelite · Arena Shooter

Apocalypse Party
Shared: Action Roguelike · Casual · Top-Down Shooter

Noobs Are Coming
Shared: Action Roguelike · Arena Shooter · Roguelite

Nuclear Throne
Shared: Action Roguelike · Roguelite · Bullet Hell

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

Arms of God
Shared: Action Roguelike · Arena Shooter · Top-Down Shooter

Voidigo
Shared: Action Roguelike · Roguelite · Shoot 'Em Up

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

God Of Weapons
Shared: Action Roguelike · Roguelite · Arena Shooter

Pesticide Not Required
Shared: Action Roguelike · Roguelite · Bullet Hell

Glyphica: Typing Survival
Shared: Action Roguelike · Arena Shooter · Top-Down Shooter

Vital Shell
Shared: Action Roguelike · Roguelite · Arena Shooter

Goobies
Shared: Action Roguelike · Roguelite · Top-Down Shooter

Enter the Gungeon
Shared: Action Roguelike · Bullet Hell · Local Co-Op