Qbeh-1: The Atlas Cube (Steam key / Region Free)

https://store.steampowered.com/app/252550/Qbeh1_The_Atlas_Cube/

A serene first-person puzzle platformer set across strikingly beautiful worlds.
Place and remove cubes to solve handcrafted puzzles, discover hidden secrets, and lose yourself in an atmosphere unlike anything else.
Includes a full level editor and Steam Workshop support.

Activating the steam key

1) You must download and install Steam http://steampowered.com/download/SteamInstall.msi (if not already installed).
2) Create a new account on Steam or go to an existing one.
3) Select "Activate via Steam ..." in the "My Games" section, and enter the key received after payment.
4) After activation, the game will appear in your list of games and you can install it.

Please leave feedback after successful activation of the game.