Games like F.U.N
Games like F.U.N include Vampire Survivors, Enter the Gungeon, Nuclear Throne, SYNTHETIK: Legion Rising, and Voidigo. We matched them by the tags players give F.U.N on Steam (Action Roguelike, Bullet Hell, Top-Down Shooter, Twin Stick Shooter, and Roguelite): closest matches first, and among equally close ones the better-known games.
Vampire Survivors
Shared: Action Roguelike · Bullet Hell · Roguelite
Enter the Gungeon
Shared: Action Roguelike · Bullet Hell · Difficult
Nuclear Throne
Shared: Action Roguelike · Bullet Hell · Roguelike
SYNTHETIK: Legion Rising
Shared: Top-Down Shooter · Action Roguelike · Roguelite
Voidigo
Shared: Action Roguelike · Twin Stick Shooter · Bullet Hell
BALL x PIT
Shared: Bullet Hell · Roguelite · Action Roguelike
Megabonk
Shared: Action Roguelike · Bullet Hell · Roguelite
Deep Rock Galactic: Survivor
Shared: Action Roguelike · Bullet Hell · Roguelite
Tiny Rogues
Shared: Action Roguelike · Bullet Hell · Top-Down Shooter
Brotato
Shared: Bullet Hell · Action Roguelike · Roguelike
Pathogenic
Shared: Bullet Hell · Top-Down Shooter · Action Roguelike
The Binding of Isaac: Rebirth
Shared: Action Roguelike · Roguelike · Difficult
Rogue: Genesia
Shared: Bullet Hell · Action Roguelike · Roguelite
SYNTHETIK 2
Shared: Action Roguelike · Top-Down Shooter · Roguelite
Star of Providence
Shared: Bullet Hell · Action Roguelike · Roguelite
Hades
Shared: Action Roguelike · Roguelite · Roguelike
Risk of Rain 2
Shared: Action Roguelike · Roguelite · Roguelike
Death Must Die
Shared: Action Roguelike · Bullet Hell · Roguelite
20 Minutes Till Dawn
Shared: Action Roguelike · Bullet Hell · Roguelite
Skul: The Hero Slayer
Shared: Action Roguelike · Roguelite · Roguelike
Halls of Torment
Shared: Action Roguelike · Bullet Hell · Roguelite
Blazing Beaks
Shared: Action Roguelike · Top-Down Shooter · Roguelite
Time Wasters
Shared: Action Roguelike · Bullet Hell · Twin Stick Shooter
Slime 3K: Rise Against Despot
Shared: Action Roguelike · Bullet Hell · Roguelite