Games like Multiverse Designer - Game Master (6 seats)
Games like Multiverse Designer - Game Master (6 seats) include TaleSpire, Mount & Blade II: Bannerlord, Tabletop Simulator, Baldur's Gate 3, and Aimlabs. We matched them by the tags players give Multiverse Designer - Game Master (6 seats) on Steam (Software, Character Customization, First-Person, Grid-Based Movement, and Simulation): closest matches first, and among equally close ones the better-known games.

TaleSpire
Shared: Level Editor · RPG · Tabletop

Mount & Blade II: Bannerlord
Shared: RPG · Character Customization · Multiplayer

Tabletop Simulator
Shared: Simulation · Board Game · Tabletop

Baldur's Gate 3
Shared: Character Customization · RPG · Multiplayer

Aimlabs
Shared: Software · First-Person · Simulation

Schedule I
Shared: Simulation · First-Person · Multiplayer

Talisman: Digital Classic Edition
Shared: Board Game · Tabletop · RPG

Crusader Kings III
Shared: Simulation · Character Customization · RPG

Warhammer 40,000: Rogue Trader
Shared: Character Customization · RPG · Strategy

Buckshot Roulette
Shared: First-Person · Multiplayer · Strategy

Avowed
Shared: First-Person · RPG · Character Customization

Dale & Dawson Stationery Supplies
Shared: First-Person · Multiplayer · RPG

KovaaK's
Shared: First-Person · Simulation · Software

Where Winds Meet
Shared: Character Customization · Multiplayer · Simulation

PEAK
Shared: First-Person · Multiplayer · Character Customization

Chess Ultra
Shared: Board Game · Simulation · Tabletop

Liars Bar
Shared: Multiplayer · First-Person · Tabletop

Monster Hunter: World
Shared: Character Customization · RPG · Multiplayer

FINAL FANTASY XIV Online
Shared: Character Customization · RPG · Multiplayer

The Elder Scrolls IV: Oblivion Remastered
Shared: Character Customization · RPG · First-Person

Who's Your Daddy?!
Shared: First-Person · Simulation · Multiplayer

Farming Simulator 22
Shared: Simulation · First-Person · Multiplayer

Age of Wonders 4
Shared: Character Customization · RPG · Strategy

Liftoff®: FPV Drone Racing
Shared: Simulation · First-Person · Multiplayer