Games like Colossal Saga
Games like Colossal Saga include Last Epoch, Wolcen: Lords of Mayhem, Torchlight II, Path of Exile 2, and The Incredible Adventures of Van Helsing. We matched them by the tags players give Colossal Saga on Steam (Action, Indie, Adventure, RPG, and Strategy): closest matches first, and among equally close ones the better-known games.

Last Epoch
Shared: RPG · Action · Hack and Slash

Wolcen: Lords of Mayhem
Shared: Action · RPG · Hack and Slash

Torchlight II
Shared: RPG · Hack and Slash · Action

Path of Exile 2
Shared: RPG · Hack and Slash · Action

The Incredible Adventures of Van Helsing
Shared: Action · RPG · Adventure

Minecraft Dungeons
Shared: Adventure · Action · RPG

Torchlight III
Shared: Action · RPG · Adventure

Grim Dawn
Shared: Hack and Slash · RPG · Co-op

Warhammer 40,000: Inquisitor - Martyr
Shared: Action · RPG · Hack and Slash

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

Minecraft Dungeons II
Shared: Action · Adventure · RPG

Victor Vran ARPG
Shared: Adventure · RPG · Action

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

Nobody Saves the World
Shared: Indie · Action · Adventure

Sands of Salzaar
Shared: RPG · Indie · Strategy

Hammerwatch
Shared: Indie · RPG · Action

Blightbound
Shared: Indie · Adventure · Action

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

Diablo® IV
Shared: RPG · Hack and Slash · Dungeon Crawler

Han Xiongnu Wars
Shared: Action · RPG · Strategy

Titan Quest II
Shared: RPG · Action · Hack and Slash

Hades
Shared: Indie · Action · Hack and Slash

The Incredible Adventures of Van Helsing II
Shared: Action · RPG · Adventure

Notes of Soul
Shared: Action · Adventure · Indie