Horder.io is a level based IO game, you can choose between Warrior, Mage, Shaman and Archer. So insert your name and choosing between melee, ranged and healer type and you are in the game. This is a 3D type IO game, has MMORPG elements. Gather gold, get better weapons and gears and PvP against others. Move around using WASD and turn the screen using your keyboard arrow keys.