Nasty Zombies (Steam key / Region Free)

https://store.steampowered.com/app/2851700/Nasty_Zombies/

Team up with up to 8 players and take on endless waves of Nasty Zombies in a high-intensity, movement-focused boomer shooter.
Use agility and smart positioning to survive semi-procedural maps and unlock permanent upgrades like Blessings, Miracles, Invocations, and cosmetics.

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.