Ninja Era is a free-to-play mobile game developed by Battle of Dawn. The game is based on anime and revolves around collecting ninja cards. Players can summon various ninja characters and build their own team to participate in battles. The game is a role-playing game, where players have to strategize their moves and choose the best combination of ninjas to defeat their opponents.

The game offers a vast collection of ninja cards that can be obtained through various in-game activities like battles, events, and quests. The graphics of the game are impressive, and the user interface is easy to navigate. The game also has a social feature, where players can join clans and participate in clan battles.

Overall, Ninja Era is an exciting role-playing game that offers a unique experience for anime fans. The game's stunning graphics and vast collection of ninja cards make it a must-try for all role-playing game enthusiasts.