Games like The Fallen Kingdom
Games like The Fallen Kingdom include Hero Siege, Last Epoch, The Slormancer, Wolcen: Lords of Mayhem, and Black Myth: Wukong. We matched them by the tags players give The Fallen Kingdom on Steam (Adventure, RPG, 2D, Action-Adventure, and Action RPG): closest matches first, and among equally close ones the better-known games.

Hero Siege
Shared: Action RPG · RPG · Adventure

Last Epoch
Shared: RPG · Action RPG · Adventure

The Slormancer
Shared: RPG · Action RPG · 2D

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

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

Secrets of Grindea
Shared: Adventure · Action RPG · RPG

Minecraft Dungeons
Shared: Adventure · RPG · Action RPG

CrossCode
Shared: RPG · Action RPG · 2D

Vampire Survivors
Shared: 2D · Bullet Hell · Pixel Graphics

Death Must Die
Shared: RPG · Bullet Hell · 2D

Nice Day for Fishing
Shared: RPG · Adventure · Action-Adventure

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

Minecraft Dungeons II
Shared: Adventure · RPG · Action RPG

God of War Ragnarök
Shared: Adventure · RPG · Action-Adventure

Minishoot' Adventures
Shared: Adventure · RPG · Bullet Hell

Archvale
Shared: Adventure · 2D · Action RPG

Tails of Iron
Shared: 2D · Adventure · Action RPG

FINAL FANTASY VII REMAKE INTERGRADE
Shared: RPG · Action RPG · Action-Adventure

Eiyuden Chronicle: Rising
Shared: Adventure · RPG · Action RPG

Romestead
Shared: Adventure · 2D · RPG

Eastward
Shared: Adventure · RPG · Action RPG

Impostor Factory
Shared: Adventure · 2D · RPG

Melvor Idle
Shared: RPG · Adventure · 2D

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