Another old classic that both my parents and I were occupied with. Incredibly difficult, and still worth trying if you don’t know it already.
Got stuck on a level in Portal The Flash Version? See how to complete every level in this video walkthrough Portal and Portal 2 is orignally a 3D game
Inspired by Valve’s fantastic game Portal, Armor Games and Newgrounds made a flash puzzle game called Portal: The Flash Version. You may have heard of Portal and Portal