On the Amiga, Naughty Ones, Ruff'n'Tumble and some Magic Pockets. Oh and Rodland, Parasol Stars.
On the laptop Saints Row the third (even though I finished it can't get enough of it). DAYZ, not sure I like it yet. Small games - All zombies must die collection.
Played Skyrim for a bit on the PC with the HD texture pack. No freezing on the PC ;-)
On the work desktop - CSS, on my own server with mates at work, "Friday arvo drinks" :-)
On the android phone - some stupid sheep game at the moment. Can't remember the name, but it likes to spam you now and then :-/
On the PSP - Little Big Planet.
On the Dreamcast - Gauntlet
On the WinUAE box - Banshee AGA CD32 version