Ace Combat Infinity

 is a free-to-play flight shooting game published by Bandai Namco Games.

God Eater 2 Rage Burst Collaboration Event
A collaboration event was revealed on February 20, 2015 to celebrate the release of God Eater 2 Rage Burst. A Fenrir emblem was given to all players via in-game notification. There were also special challenges which rewarded players with emblems and nicknames.

The event started on February 20, 2015 at 8 AM GMT. The Fenrir emblem could be claimed from the in-game notification until March 31, 2015 at 8 AM GMT, and the special challenges ended on April 1, 2015 at 8 AM GMT.

God Eater Resurrection Collaboration Event
A collaboration Event with God Eater Resurrection was revealed on October 26, 2015 to celebrate the release of the said game in Japan. A Fenrir #2 emblem was given to all players via in-game notification. As with the God Eater 2 Rage Burst collaboration event, there were also special challenges which rewarded players with emblems and nicknames.

The event started on October 29, 2015 at 8 AM GMT. The Fenrir #2 emblem can be claimed from the in-game notification until the end of March 2016, and the special challenges end on November 30, 2015 at 8 AM GMT.