3 ms·

Since portal does a lot of mental stretching on spatial aptitude sandbox environment, this game could be a breakthrough test for school exams / exercises.

• billybob 16y ago
  ...if it weren't already a popular game where some people will have prior exposure and therefore a big advantage.
  • moolave 16y ago
    Good point. Definitely an iteration or a version of an educational platform geared towards students.