Merge Heroes Frontier: Casual RPG Online is a free simulation game developed by Indiejoy for the Android platform. The game is the third season of Merge Heroes, where players can upgrade heroes in a classic RPG style without merging them. The legendary hero returns to defeat the Demon King, the evil puppet master of the Dragons, and players can join the hero to help protect the Merge Kingdom.

The game features intuitive gameplay, making it easy for anyone to play. Deploy heroes and they will fight automatically. Merge heroes to become stronger and defeat the enemies. The game offers endless and multiple rewards, including heroes, items, buffs, and more. Players can collect 48 types of heroes, each with their unique battle style, including humans, elves, orcs, beasts, and many others. The game also offers nine types of Dragon's Lairs to attack and special SS-rank equipment to acquire.

Merge Heroes Frontier: Casual RPG Online is an easy idle RPG endgame with no need to constantly tap, merge, and endlessly revive. The heroes keep improving even when offline or logged out. The game is accessible offline, and the heroes will never stop fighting. The developers at Indiejoy love Merge Heroes and will try their best to give players the most enjoyable game experience.