I guess that you can all spots discounts and sales rushing to you from all corners, so I would just like to pinpoint a few. If you like King's Bounty, 1CEnteraitment is having huge action:
https://store.steampowered.com/franchise/1CEntertainment
And because there are vacations, coming soon and not (tm) for many of us, let me just to outline a few more interesting games:
Arcante - An Old-School, First Person, Party-Based RPG
https://store.steampowered.com/app/1443360/Arcante/
MoM: Caster of Magic
https://store.steampowered.com/app/1557960/Master_of_Magic_Caster_of_Magic_for_Windows/
And if you liked DOOM, let me to end with Ion Fury :D
Obviously, there comes also Summer Sales Labyrinth, which starts here
Do you have any tips, for spectacular games? Post them here!