[MrGiggles]

i don't remember what you're into but Transistor turned out to be a pretty dope game and it's 33% off

http://store.steampowered.com/app/237930/

also I've gotten back into a Dwarf Fortress kick, that game never fails to entertain. However, there's a substantial initial time investment required to learn the game

http://www.bay12games.com/dwarves/

edit: also nidhogg

http://store.steampowered.com/app/94400/