How to buy Anno: Mutationem accounts?

ANNO: Mutationem is an action-adventure game with RPG elements set in a cyberpunk world, featuring a unique mix of pixelated 2D & 3D graphic style with a rich, dark and bizarre plot. Welcome to the neon-covered, 2D-meets-3D Cyberpunk world of ANNO: Mutationem. In this Action-Adventure game with RPG elements you become Ann: a highly-skilled combat-trained lone wolf on a personal mission in the giant Metropolis, full of sinister mega-corporations, mysterious fringe groups and creatures more bizarre than words can express. This is a world full of surprises waiting for you to find out! While going thru the main story you can chat with a Cyborg corgi, take on a part-time bartender job, hunt down vicious criminals reveal the true face of a trending V-streamer! By exploring diverse locations such as neon Noctis Town, an off-shore cargo ship and huge underground structures, players are free to go as they please and act as they want.