Portal Gun in Sonic 2 has all the elements from Sonic 2 integrated with the puzzles from the world of “Portal”. The game's highlight is the use of the Portal Gun in the Sonic universe, which brings a whole perspective to the game.
Game Features:
Use the gun to manipulate the environment in creative ways.
Redirect an attack from the enemies back at them and warp your way through game levels.
Unlike most Sonic games, this one requires solving many puzzles to complete the journey.
If the game is not working for you, try to refresh the page clicking CTRL+SHIFT+R. If it is still not working then report the game and we will review it.