Games like Rampage Knights
Games like Rampage Knights include Gunfire Reborn, Risk of Rain 2, Ravenswatch, Streets of Rogue, and Children of Morta. We matched them by the tags players give Rampage Knights on Steam (Action Roguelike, Action, Beat 'em up, Roguelike, and Multiplayer): closest matches first, and among equally close ones the better-known games.

Gunfire Reborn
Shared: Co-op · Roguelike · Multiplayer

Risk of Rain 2
Shared: Action Roguelike · Co-op · Multiplayer

Ravenswatch
Shared: Co-op · Action Roguelike · Roguelike

Streets of Rogue
Shared: Action Roguelike · Multiplayer · Action

Children of Morta
Shared: Roguelike · Multiplayer · Action Roguelike

Enter the Gungeon
Shared: Action Roguelike · Roguelike · Co-op

Castle Crashers®
Shared: Co-op · Beat 'em up · Online Co-Op

Wizard of Legend
Shared: Action Roguelike · Roguelike · Action

Lost Castle
Shared: Action Roguelike · Beat 'em up · Multiplayer

Hero Siege
Shared: Action Roguelike · Co-op · Multiplayer

Lost Castle 2
Shared: Multiplayer · Beat 'em up · Roguelike

Heroes of Hammerwatch
Shared: Action Roguelike · Co-op · Multiplayer

Hades
Shared: Action Roguelike · Action · Indie

Risk of Rain (2013)
Shared: Action Roguelike · Roguelike · Action

The Binding of Isaac: Rebirth
Shared: Action Roguelike · Roguelike · Indie

PEAK
Shared: Co-op · Multiplayer · Adventure

Ember Knights
Shared: Action Roguelike · Co-op · Multiplayer

Hades II
Shared: Action · Roguelike · Action Roguelike

Barony
Shared: Action Roguelike · Multiplayer · Roguelike

Monster Hunter: World
Shared: Co-op · Action · Multiplayer

Absolum
Shared: Beat 'em up · Co-op · Action

Brotato
Shared: Action Roguelike · Roguelike · Multiplayer

Heroes of Hammerwatch II
Shared: Action Roguelike · Action · Roguelike

Magicite
Shared: Roguelike · Indie · Action Roguelike