Games like Relic Hunters Legend
Games like Relic Hunters Legend include Borderlands 2, Warframe, Path of Exile 2, Last Epoch, and Wolcen: Lords of Mayhem. We matched them by the tags players give Relic Hunters Legend on Steam (Action RPG, Looter Shooter, Loot, Shooter, and Character Customization): closest matches first, and among equally close ones the better-known games.

Borderlands 2
Shared: Loot · Shooter · Looter Shooter

Warframe
Shared: Looter Shooter · Action RPG · Action

Path of Exile 2
Shared: Action RPG · Loot · RPG

Last Epoch
Shared: Action RPG · Loot · RPG

Wolcen: Lords of Mayhem
Shared: Action RPG · Loot · RPG

Grim Dawn
Shared: Action RPG · Loot · Dungeon Crawler

Path of Exile
Shared: Action RPG · Loot · Dungeon Crawler

Torchlight II
Shared: Action RPG · Loot · Dungeon Crawler

Tiny Tina's Wonderlands
Shared: Looter Shooter · Loot · Shooter

OUTRIDERS
Shared: Looter Shooter · Loot · RPG

Diablo® IV
Shared: Action RPG · Loot · Dungeon Crawler

The Ascent
Shared: Top-Down Shooter · Shooter · RPG

Escape From Duckov
Shared: Looter Shooter · Shooter · Action

The First Descendant
Shared: Looter Shooter · Shooter · Action RPG

Wayfinder
Shared: Action RPG · Loot · Dungeon Crawler

Titan Quest II
Shared: Action RPG · Dungeon Crawler · RPG

Borderlands 3
Shared: Looter Shooter · Loot · RPG

EVERSPACE™ 2
Shared: Shooter · Loot · Looter Shooter

Relic Hunters Zero: Remix
Shared: Looter Shooter · Twin Stick Shooter · Top-Down Shooter

Minecraft Dungeons
Shared: Action RPG · Dungeon Crawler · Loot

Torchlight III
Shared: Action RPG · Loot · RPG

Borderlands 4
Shared: Looter Shooter · Loot · Action RPG

The Slormancer
Shared: Loot · Action RPG · Dungeon Crawler

Borderlands Game of the Year Enhanced
Shared: Shooter · Loot · Looter Shooter