Games like Gunfire Reborn
Games like Gunfire Reborn include Risk of Rain 2, PAYDAY 2, Roboquest, Borderlands 3, and Abyssus. We matched them by the tags players give Gunfire Reborn on Steam (Roguelite, Roguelike, FPS, Online Co-Op, and Multiplayer): closest matches first, and among equally close ones the better-known games.

Risk of Rain 2
Shared: Roguelike · Roguelite · Co-op

PAYDAY 2
Shared: FPS · Co-op · Multiplayer

Roboquest
Shared: Roguelite · FPS · Online Co-Op

Borderlands 3
Shared: FPS · Online Co-Op · Multiplayer

Abyssus
Shared: FPS · Roguelike · Roguelite

Borderlands 2
Shared: Co-op · Multiplayer · FPS

Ravenswatch
Shared: Roguelike · Co-op · Online Co-Op

Left 4 Dead 2
Shared: FPS · Co-op · Online Co-Op

Deadzone: Rogue
Shared: Roguelike · FPS · Roguelite

PUBG: BATTLEGROUNDS
Shared: FPS · Multiplayer · Online Co-Op

Streets of Rogue
Shared: Roguelite · Roguelike · Multiplayer

How to Fish
Shared: Online Co-Op · Multiplayer · Co-op

ELDEN RING NIGHTREIGN
Shared: Roguelike · Online Co-Op · Multiplayer

Children of Morta
Shared: Roguelike · Multiplayer · Online Co-Op

Hades
Shared: Roguelite · Roguelike · Indie

Delta Force
Shared: FPS · Multiplayer · Online Co-Op

ORION: Prelude
Shared: FPS · Online Co-Op · Multiplayer

Heroes of Hammerwatch
Shared: Roguelite · Co-op · Multiplayer

PEAK
Shared: Online Co-Op · Multiplayer · Co-op

Call of Duty®
Shared: FPS · Multiplayer · Action

Back 4 Blood
Shared: Online Co-Op · FPS · Multiplayer

Borderlands: The Pre-Sequel
Shared: FPS · Co-op · Action

Borderlands Game of the Year Enhanced
Shared: FPS · Co-op · Online Co-Op

Far Cry 3
Shared: FPS · Multiplayer · Action