First person hack&slay with lots of verticality and lots of room to experiment with spells and physics like in Dark Messiah and Dishonored but cranked up to 11. Also put something in to make the enemies a bit more interesting, like monsters raiding the hub town like in Din’s Curse or something like the Nemeses from shadow of Mordor.

Two times:

Planescape: Torment - >!“Don’t trust the skull”!<

the other one is, off course, Official Evo Moment #37