Games like Gem Brawl Duel
Games like Gem Brawl Duel include Gang Beasts, Goat Simulator, Party Animals, Mount & Blade II: Bannerlord, and Backyard Baseball. We matched them by the tags players give Gem Brawl Duel on Steam (Action, RPG, Simulation, Local Multiplayer, and Party Game): closest matches first, and among equally close ones the better-known games.

Gang Beasts
Shared: Action · Local Multiplayer · Party Game

Goat Simulator
Shared: Simulation · Action · Comedy

Party Animals
Shared: Action · Party Game · PvP

Mount & Blade II: Bannerlord
Shared: RPG · Action · Simulation

Backyard Baseball
Shared: PvP · RPG · Arcade

TEKKEN 7
Shared: Action · Local Multiplayer · Arcade

Predecessor
Shared: Action · PvP · PvE

Stick Fight: The Game
Shared: Action · Local Multiplayer · PvP

Nuclear Option
Shared: Simulation · Action · PvP

South Park™: The Stick of Truth™
Shared: RPG · Action · Comedy

CarX Drift Racing Online
Shared: Simulation · PvP · Action

Warframe
Shared: Action · RPG · Third Person

Draw & Guess
Shared: Party Game · PvP · Comedy

TEKKEN 8
Shared: Action · Local Multiplayer · PvP

Kill It With Fire
Shared: Action · Simulation · Comedy

DRAGON BALL FighterZ
Shared: Action · Local Multiplayer · PvP

Hand Simulator: Survival
Shared: Simulation · RPG · Action

Totally Accurate Battle Simulator
Shared: Simulation · PvP · Action

ROUNDS
Shared: Local Multiplayer · Action · PvP

War Thunder
Shared: Action · Simulation · PvP

UFO 50
Shared: Action · RPG · Arcade

Magicka
Shared: Action · RPG · Comedy

Grand Theft Auto V Legacy
Shared: Action · Third Person · PvP

Granblue Fantasy: Versus
Shared: Action · PvP · RPG