what would you say would be the MOST addicting online internet game that you ever played or still play to kill time? please, only include internet games ONLY, not downloadable or official branded company games,... not like diablo, counter strike, halo, left 3 dead, etc...
the ones done by amateurs...

for example ill start mine...

nanaca crash
defend your castle
helicopter
champion archer
madness interactive
area flat 2
area flat 3
ink link
tank wars
stick figure arena
zatoshi suicide salaryman
learn to fly
endless zombie rampage
the last stand
the last stand 2
wyvern
company and myself

this block destroying pong game but u get to eat pills and blocks aways has shapes
that game where you have to keep waves of enemies to get to an exit, but with wizards
very clever game, its a war game, but you have to overwhelm the enemy by getting ur army on the enemy territory as many as possible, and you get new kind of units per upgrade
another clever game, but a small clitter that spits vomits and can swim in it, and can eat it again

winterbell
http://www.ferryhalim.com/orisinal/g3/bells.htm

flash game

"we are people because of other people"
"I am who I am because of who we all are"

Momentum Misille Mayhem 2 through 4. You can play it for an hour and never get bored. Good cross between tower defence, shoot'em up and strategy. Go play it.

Lego & manga. The building blocks of life.

Zombie horde 1-2, i played that all the time still do occasionally