Games like Minion Masters - Nightmares
Games like Minion Masters - Nightmares include SMITE®, Idle Champions of the Forgotten Realms, Marvel Rivals, Once Human, and Mount & Blade II: Bannerlord. We matched them by the tags players give Minion Masters - Nightmares on Steam (Free to Play, Strategy, Action, Adventure, and RPG): closest matches first, and among equally close ones the better-known games.

SMITE®
Shared: Free to Play · Action · Strategy

Idle Champions of the Forgotten Realms
Shared: Free to Play · Strategy · Adventure

Marvel Rivals
Shared: Free to Play · Action · Adventure

Once Human
Shared: Free to Play · Action · Adventure

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

Warframe
Shared: Free to Play · Action · RPG

Neverwinter
Shared: Free to Play · RPG · Adventure

Wuthering Waves
Shared: Free to Play · Action · RPG

Where Winds Meet
Shared: Free to Play · Adventure · Strategy

Mount & Blade: Warband
Shared: Strategy · RPG · Action

Honkai Impact 3rd
Shared: Free to Play · Action · Adventure

Blue Protocol: Star Resonance
Shared: Free to Play · Action · Adventure

Sang-Froid - Tales of Werewolves
Shared: Strategy · Action · RPG

SMITE 2
Shared: Action · Strategy · Adventure

Caster
Shared: Action · Adventure · Indie

Sands of Salzaar
Shared: Strategy · RPG · Adventure

Zoria: Prologue (2020)
Shared: Free to Play · Adventure · RPG

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

SteamWorld Heist
Shared: Strategy · RPG · Action

Aimlabs
Shared: Free to Play · Action · Adventure

Guild Wars 2®
Shared: Free to Play · Adventure · RPG

Orcs Must Die! 2
Shared: Action · Strategy · Indie

Han Xiongnu Wars
Shared: Strategy · Action · RPG

Apex Legends™
Shared: Free to Play · Action · Adventure