Rage of Bahamut (神撃のバハ� ート, Shingeki no Bahamūto) is a digital collectible card battle game developed by Cygames and published by DeNA. It was a social card game released on Mobage's mobile game network, in Japan in 2011 and worldwide in 2012.

The game exceeded three million players outside Japan on August 7, 2012. The game had over 10 million players worldwide as of December 2012. Rage of Bahamut was launched worldwide in February 2012 and topped the Top Grossing Chart on US Google Play for over 16 weeks starting in April. The game had a monthly revenue of ¥400 million ($5.01 million) in 2012.

The original Rage of Bahamut (Shingeki no Bahamut) is a fantasy adventure game in which players roam the world, drawing out powers from cards. After choosing between 'Man', 'Gods' or 'Demons' cards, players build and strengthen themselves as well as their teams by collecting, synthesizing and evolving a variety of unique cards.

The cards are then used in various team oriented activities such as order vs. order 'Holy Wars' or order vs. game events such as Dragon's Awakening, or Hermit in the Hood.

Three anime series have been adapted from the game, Rage of Bahamut: Genesis, Rage of Bahamut: Virgin Soul, and Manaria Friends.