Mighty Gunvolt is a downloadable game featuring Beck from Mighty No. 9, Gunvolt from Azure Striker Gunvolt, and Ekoro from Galgun in a 8 bit retro style game.
Those who purchase Azure Striker Gunvolt between August 29th to November 28th, 2014 will receive a code to download the game.
The game will be made available for separate purchase sometime in Winter.
The offer is valid in NA and Japan. No words on Europe.