Games like Gatekeeper
Games like Gatekeeper include Risk of Rain 2, Gunfire Reborn, Ravenswatch, Enter the Gungeon, and Brotato. We matched them by the tags players give Gatekeeper on Steam (Singleplayer, Roguelike, Bullet Hell, Indie, and Adventure): closest matches first, and among equally close ones the better-known games.
Risk of Rain 2
Shared: Co-op · Roguelike · Action Roguelike
Gunfire Reborn
Shared: Roguelike · Co-op · Roguelite
Ravenswatch
Shared: Co-op · Roguelike · Action Roguelike
Enter the Gungeon
Shared: Bullet Hell · Roguelike · Action Roguelike
Brotato
Shared: Singleplayer · Roguelike · Bullet Hell
ELDEN RING NIGHTREIGN
Shared: Co-op · Roguelike · Singleplayer
Vampire Survivors
Shared: Bullet Hell · Action Roguelike · Singleplayer
The Spell Brigade
Shared: Co-op · Bullet Hell · Roguelike
Nuclear Throne
Shared: Roguelike · Action Roguelike · Indie
Megabonk
Shared: Roguelike · Action Roguelike · Indie
The Binding of Isaac: Rebirth
Shared: Roguelike · Indie · Action Roguelike
SYNTHETIK: Legion Rising
Shared: Indie · Co-op · Roguelite
Hades
Shared: Action Roguelike · Indie · Roguelike
Crab Champions
Shared: Roguelike · Action Roguelike · Multiplayer
Roboquest
Shared: Co-op · Action Roguelike · Roguelite
PEAK
Shared: Co-op · Multiplayer · Adventure
Returnal™
Shared: Bullet Hell · Roguelike · Singleplayer
The Binding of Isaac
Shared: Roguelike · Indie · Action Roguelike
Streets of Rogue
Shared: Roguelike · Action Roguelike · Co-op
Skul: The Hero Slayer
Shared: Indie · Roguelike · Action Roguelike
Risk of Rain (2013)
Shared: Roguelike · Indie · Action Roguelike
Children of Morta
Shared: Roguelike · Multiplayer · Action Roguelike
How to Fish
Shared: Co-op · Multiplayer · Indie
Monster Hunter: World
Shared: Co-op · Multiplayer · Adventure