kidpix is now in the public domain, so someone re-made it!
 bitsy: make a little game
 beepbox: make 16 bars of music
 poolsuite: 90s inspired radio (audio autoplays on start)
 vole.wtf: some random games
 little alchemy: yayyyy i loved this game in elementary school
 the asenheim project: a collection of old visual novels online
 sandspiel: a fun sandbox to play in
 javascript snake: flash games come and go but javascript snake has been with me since i was in high school
 pong: it's just pong
 some online mspaint sites: one two
 game boy advance emulator! download the one appropriate for your machine :D it also has ROMs
  more ROMs (link goes to MediaFire...)