Unlock the portals:Finish the entire game and collect all the white spheres in each stageUnlock programmers photo gallery:Beat the last Boss at the portal hub and a robot.Keep attacking the robot to change one of the portals with a developer photo.
Unlock the portals:Finish the entire game and collect all the white spheres in each stageUnlock programmers photo gallery:Beat the last Boss at the portal hub and a robot.Keep attacking the robot to change one of the portals with a developer photo.