Kỷ Nguyên Triệu Hồi - AFK RPG is a free-to-play idle game that combines RPG, card game, and PvP elements. Developed by Viet Trinh, this game allows you to choose from five different types of characters, each with unique skills and abilities. The game is set in a world threatened by dark forces, where you play as a summoner who can summon gods, demons, orcs, monsters, and heroes to fight against the darkness and save the world.

One of the unique features of Kỷ Nguyên Triệu Hồi - AFK RPG is its idle gameplay, which means that your heroes will continue to fight even when you are not playing the game. The game also includes an auto-tap feature that allows you to collect rewards and upgrade your heroes automatically. With over 150 heroes, six factions, and four unique skills, you can merge and upgrade your heroes to make them stronger. The game also features guild wars, battle arenas, and real-time online battles with friends and other players. Overall, Kỷ Nguyên Triệu Hồi - AFK RPG is a fun and strategic game that offers hours of entertainment.