This site collects some web based retro games written over the past few years - enjoy!
3D MONSTER MAZEPlay
MAZOGSPlay
CAVERNSPlay
Roam around the dwarves mines collecting jewels and mithril avoiding the dwarves who don't take kindly to thieves.
FUNGALOIDSPlay
Bomb the Fungaloids to the ground before they reach the sky.