If you like Portal 2 and Blocks That Matter, we’ve made a little something for you. By joining both our developers and players’ sides, we created a community level for Portal 2 entitled Fixing Tetrobot (with portals).
Follow this link:
then click + SUSCRIBE to add the level to your queue in Portal 2.
Of course it works only if you already own Portal 2.
Hope you’ll like it!