Rage of Bahamut (神撃のバハムート, Shingeki no Bahamūto) is a digital collectible card battle game developed by Cygames and published by DeNA.

The game exceeded three million players outside Japan on August 7, 2012.

[4] Holy Wars are periods averaging five days in length in which groups of players (orders) work to try and defeat each other.

Whichever order has the most points at the end of a battle period wins.

In Japan, the original Rage of Bahamut is provided as a HTML-based browser game on the domestic Mobage's network, which is operated by DeNA Co., Ltd. On Mobage's worldwide network, Rage of Bahamut is provided as smartphone app for both Android and iOS users.