Games like Eternium
Games like Eternium include Last Epoch, Path of Exile, UNDECEMBER: The Farside, Wolcen: Lords of Mayhem, and Minecraft Dungeons. We matched them by the tags players give Eternium on Steam (Free to Play, Hack and Slash, RPG, Action-Adventure, and Loot): closest matches first, and among equally close ones the better-known games.

Last Epoch
Shared: Hack and Slash · RPG · Loot

Path of Exile
Shared: Free to Play · Hack and Slash · Loot

UNDECEMBER: The Farside
Shared: Hack and Slash · RPG · Free to Play

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

Minecraft Dungeons
Shared: Hack and Slash · RPG · Loot

Black Myth: Wukong
Shared: RPG · Action · Action-Adventure

Grim Dawn
Shared: Hack and Slash · Loot · RPG

God of War Ragnarök
Shared: RPG · Action-Adventure · Hack and Slash

Torchlight II
Shared: RPG · Hack and Slash · Loot

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

The Slormancer
Shared: Hack and Slash · Loot · RPG

Minecraft Dungeons II
Shared: RPG · Hack and Slash · Action

Diablo® IV
Shared: Hack and Slash · RPG · Loot

Chronicon
Shared: Hack and Slash · Loot · RPG

Torchlight III
Shared: Hack and Slash · RPG · Loot

The Incredible Adventures of Van Helsing
Shared: Hack and Slash · RPG · Loot

Where Winds Meet
Shared: Free to Play · Action-Adventure · RPG

Torchlight
Shared: RPG · Hack and Slash · Loot

Wuthering Waves
Shared: Free to Play · RPG · Action

Warframe
Shared: Free to Play · RPG · Action

God of War
Shared: Action · Hack and Slash · RPG

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

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

FATE
Shared: RPG · Hack and Slash · Action