Currently it is impossible for me to get a valid key to this game from Indiegala and it seems that the problem of revoked keys will take a long time to resolve, read news:

https://mmofallout.com/steam-scams-srm-games-meltdown-after-fraudulently-revoking-keys/

I deeply regret the inconvenience caused and I beg you to allow me to delete this giveaway.