The 2015 Sonic Hacking Contest‘s contest is nearing an end and this has to be the wildest one I’ve seen this year. Someput put a Portal gun in Sonic the Hedgehog 2!
That someone is snkenjoi and his small team of assistants E-122-Psi, flamewing, iojnekns, and FraGag.
The Portal gun works just like it does in the Portal series. Pressing A along with a direction throws a blue portal, while the C button and a direction throws an orange one.
What I was surprised to learn is that the portals can affect more than just Sonic himself. You can use them to send enemies’ projectiles right back at them.
Below is a full play-through of the game with the Portal Gun, showing off what the hack can do.