Like this?[0] (Valve had a prequel for portal planned before portal 2 with a very similar idea) Edit: but not nearly as cool as this demo. [0]https://thenerd

Like this?[0] (Valve had a prequel for portal planned before portal 2 with a very similar idea) Edit: but not nearly as cool as this demo. [0]https://thenerdstash.com/an-inside-look-at-valves-abandoned-portal-prequel/ https://thenerdstash.com/an-inside-look-at-valves-abandoned-...