Retroid: Cartridge Protocol

Retroid: Cartridge Protocol is a sci-fi action roguelike in which you play as Prototype Zero-One, the only one able to unlock the hidden power of the cartridges and reclaim the planet from the Overmind army. Dr. Victor, envious of Dr. Evelyn’s groundbreaking technology, stole it and used it to create the Overmind army and seize control of the planet.

Combat and upgrades

You fight enemies whose evolutions create new combat patterns with each run. Use melee strikes and precise dashes to outsmart foes and map traps. Exploration provides permanent and temporary upgrades that support your progress over time.

The cartridges

You search for cartridges to unlock your final evolution. Each run brings new battles and strategic choices in a futuristic world.