https://store.steampowered.com/app/983450/Astral_Towers/
Astral Towers is a turn-based card game mixing strategy and puzzle elements.
Rich single-player campaign: 89 missions at 2 difficulty levels
Smart AI enemies for single-player experience
Hot-seat multiplayer: play together on a single computer
This is a remastered version of the original Astral Towers game released in 2011. It features improved interface, better graphics (was: 1366x768, now - FullHD/4K) and tuned balance.

INSTRUCTION FOR ACTIVATION:

1. You must download and install Steam http://steampowered.com/download/SteamInstall.msi
2. Log in to your account or register a new one.
3. Go to the "My Games" section and select "Activate via Steam ..." and enter the key received after payment.
4. After activation, the game will appear in the list of games (Library) and you can download it