Games like Crazy Oddballs: Idle RPG
Games like Crazy Oddballs: Idle RPG include Path of Exile, Path of Exile 2, Diablo® IV, Neverwinter, and Grim Dawn. We matched them by the tags players give Crazy Oddballs: Idle RPG on Steam (Idler, Funny, Dark Fantasy, Hack and Slash, and MMORPG): closest matches first, and among equally close ones the better-known games.

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

Path of Exile 2
Shared: Hack and Slash · Loot · Dark Fantasy

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

Neverwinter
Shared: MMORPG · Free to Play · RPG

Grim Dawn
Shared: Hack and Slash · Dark Fantasy · Loot

Albion Online
Shared: MMORPG · Free to Play · RPG

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

Idle Champions of the Forgotten Realms
Shared: Idler · Free to Play · Fantasy

Blue Protocol: Star Resonance
Shared: MMORPG · Free to Play · Anime

The Elder Scrolls Online - Standard Edition
Shared: MMORPG · RPG · Fantasy

Last Epoch
Shared: Hack and Slash · Loot · RPG

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

Trove
Shared: MMORPG · Free to Play · RPG

Zenless Zone Zero
Shared: Funny · Free to Play · Hack and Slash

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

Torchlight II
Shared: Hack and Slash · RPG · Loot

Destiny 2
Shared: Free to Play · MMORPG · Loot

Minecraft Dungeons
Shared: Hack and Slash · RPG · Loot

Where Winds Meet
Shared: Free to Play · MMORPG · Fantasy

Cat Quest
Shared: Hack and Slash · RPG · Adventure

FINAL FANTASY XIV Online
Shared: MMORPG · RPG · Fantasy

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

DARK SOULS™: REMASTERED
Shared: Dark Fantasy · RPG · Fantasy

Warframe
Shared: Free to Play · RPG · Action