The game takes place in the universe portal. And Aperture Science is making a new development !. Gravity Cubes !. They can change their gravity and move in different directions. And also just freeze, thus you can walk over them. And different rooms with experiments on cubes are being tested on you. Good luck!
Management:
W - Jump
A - Left
D - Right
T - Cubes (Cube) freeze
Y - Cubes (Cube) in standard form
Left Arrow - Cubes (Cube) push to the left
Right Arrow - Cubes (Cube) push right
Upper arrow - Cubes (Cube) gravity changes and cubes fly up
Bottom arrow - Cubes (Cube) gravity becomes standard