Games like Game Master: Full Toolkit
Games like Game Master: Full Toolkit include Dota 2, Marvel Rivals, The First Descendant, Neverwinter, and Path of Exile. We matched them by the tags players give Game Master: Full Toolkit on Steam (RPG, Utilities, Free to Play, Multiplayer, and Tabletop): closest matches first, and among equally close ones the better-known games.

Dota 2
Shared: Free to Play · Multiplayer · RPG

Marvel Rivals
Shared: Free to Play · Multiplayer · RPG

The First Descendant
Shared: Free to Play · Multiplayer · RPG

Neverwinter
Shared: RPG · Free to Play · Multiplayer

Path of Exile
Shared: Free to Play · Multiplayer · RPG

Albion Online
Shared: Free to Play · RPG · Multiplayer

Once Human
Shared: Free to Play · Multiplayer · RPG

GWENT: The Witcher Card Game
Shared: Free to Play · RPG · Multiplayer

UNDECEMBER: The Farside
Shared: RPG · Multiplayer · Free to Play

Apex Legends™
Shared: Free to Play · Multiplayer · Free To Play

Team Fortress 2
Shared: Free to Play · Multiplayer · Free To Play

Where Winds Meet
Shared: Free to Play · Multiplayer · RPG

BLEACH Brave Souls
Shared: RPG · Free to Play · Multiplayer

Arena Breakout: Infinite
Shared: Free to Play · Multiplayer · RPG

Torchlight: Infinite
Shared: RPG · Free to Play · Multiplayer

IdleOn - The Incremental MMO
Shared: Free to Play · RPG · Multiplayer

Warframe
Shared: Free to Play · RPG · Free To Play

Palia
Shared: Free to Play · Multiplayer · RPG

SMITE®
Shared: Free to Play · Multiplayer · RPG

Trove
Shared: Free to Play · RPG · Multiplayer

Brawlhalla
Shared: Free to Play · Multiplayer · Free To Play

TaleSpire
Shared: RPG · Level Editor · Tabletop

Destiny 2
Shared: Free to Play · Multiplayer · Free To Play

Star Trek Online
Shared: Free to Play · RPG · Multiplayer