I am almost exclusively D&D for things I run.
I have played a number of other games (GURPS, WFRP, Palladium, Rolemaster, Star Frontiers, Shadowrun, Vampire the Masquerade, Mutants & Masterminds, Everquest RPG, Honey Heist, Kids on Bikes, homebrew systems, etc.), and I am up for most games as a...