Games like Darkwaronline
Games like Darkwaronline include Wolcen: Lords of Mayhem, Warframe, Grim Dawn, Last Epoch, and Dragon's Dogma 2. We matched them by the tags players give Darkwaronline on Steam (RPG, Indie, Action RPG, Character Customization, and Robots): closest matches first, and among equally close ones the better-known games.

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

Warframe
Shared: Action RPG · RPG · Character Customization

Grim Dawn
Shared: Action RPG · RPG · Hack and Slash

Last Epoch
Shared: Action RPG · RPG · Hack and Slash

Dragon's Dogma 2
Shared: RPG · Action RPG · Singleplayer

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

MONSTER HUNTER RISE
Shared: RPG · Character Customization · Action RPG

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

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

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

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

Torchlight II
Shared: RPG · Action RPG · Hack and Slash

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

M.A.S.S. Builder
Shared: Action RPG · Character Customization · Indie

Dragon's Dogma: Dark Arisen
Shared: RPG · Character Customization · Action RPG

Bastion
Shared: Indie · RPG · Singleplayer

Hades
Shared: Indie · Hack and Slash · Singleplayer

ATLYSS
Shared: RPG · Action RPG · Character Customization

Biomutant
Shared: RPG · Character Customization · Singleplayer

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

Starfield
Shared: RPG · Singleplayer · Character Customization

Kingdoms of Amalur: Re-Reckoning
Shared: RPG · Action RPG · Character Customization

Hogwarts Legacy
Shared: RPG · Character Customization · Singleplayer

The Elder Scrolls IV: Oblivion Remastered
Shared: RPG · Character Customization · Singleplayer