itch.io

it's a free game... Why would you need a key for it, lol??? 
https://store.steampowered.com/app/1274940/Strip_Em/?curator_clanid=35065623

Yeah, being in Germany you do need a key :) . I'm not sure why Itch didn't give you one, I checked and there are plenty of available keys, but I sent you one the the email registered with your purchase XXXXXXrsel@gmail.com .