All-time lowest prices for these games.
Chernobylite: https://store.steampowered.com/app/1016800/Chernobylite/
Stygian: Reign of the old ones: https://store.steampowered.com/app/779290/Stygian_Reign_of_t…
The Fatal Twelve: https://store.steampowered.com/app/620210/Fatal_Twelve/
Enjoy.