Demon's Wrath is a 3D open-world role-playing game. The player explores a vast fantasy world called Crementia and can interact with non-player characters (NPCs) and fight enemies. The player, party members, and enemies use skills and spells such as a sword attack or an offensive magic spell. Party members will help you fight or pick up items for you, while enemies navigate around obstacles to attack you. The player can obtain items, such as logs, swords, and slime goo, to craft, build, or increase their combat ability. Some items can be placed in the world or can be used to craft other items.

The game focuses on fighting, exploring, completing quests, building, and talking to NPCs. The main goal of the game is to fight demons who are invading your country. This game has boss fights and challenges to give progression.