Games like Operation F.A.T.E.
Games like Operation F.A.T.E. include BALL x PIT, Vampire Survivors, 20 Minutes Till Dawn, Nova Drift, and Hades. We matched them by the tags players give Operation F.A.T.E. on Steam (Action Roguelike, Shoot 'Em Up, Roguelite, Mystery, and Multiple Endings): closest matches first, and among equally close ones the better-known games.

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

Vampire Survivors
Shared: Action Roguelike · Roguelite · Bullet Hell

20 Minutes Till Dawn
Shared: Action Roguelike · Roguelite · Shoot 'Em Up

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

Hades
Shared: Action Roguelike · Roguelite · Roguelike

Megabonk
Shared: Action Roguelike · Roguelite · Roguelike

Risk of Rain 2
Shared: Action Roguelike · Roguelite · Roguelike

Star of Providence
Shared: Action Roguelike · Roguelite · Shoot 'Em Up

Dead Cells
Shared: Action Roguelike · Roguelite · Roguelike

暖雪 Warm Snow
Shared: Action Roguelike · Roguelite · Roguelike

Halls of Torment
Shared: Action Roguelike · Roguelite · Roguelike

I Am Legion: Stand Survivors
Shared: Action Roguelike · Roguelite · Shoot 'Em Up

Brotato
Shared: Action Roguelike · Roguelike · Roguelite

Gunfire Reborn
Shared: Roguelite · Roguelike · Action Roguelike

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

Hades II
Shared: Roguelite · Action Roguelike · Roguelike

Nuclear Throne
Shared: Action Roguelike · Roguelike · Roguelite

Magicraft
Shared: Action Roguelike · Roguelite · Roguelike

Soulstone Survivors
Shared: Action Roguelike · Roguelite · Roguelike

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

Roboquest
Shared: Action Roguelike · Roguelite · Shooter

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

Beautiful Mystic Survivors
Shared: Action Roguelike · Shoot 'Em Up · Roguelite

Tower of Babel: Survivors of Chaos
Shared: Action Roguelike · Roguelite · Roguelike