It's a simpler and shorter version of Portal. The atmosphere was interesting and the story, while being an obvious Trolley Problem, presented a good introduction to philosophical questions regarding artificial intelligence, like the Chinese Room or the Turing Test itself. Puzzles were, most of the time, fun and satisfying to solve, and the clear usage of mathematical concepts like boolean operators was clever and impressive.

It's a simpler and shorter version of Portal. The atmosphere was interesting and the story, while being an obvious Trolley Problem, presented a good introduction to philosophical questions regarding artificial intelligence, like the Chinese Room or the Turing Test itself. Puzzles were, most of the time, fun and satisfying to solve, and the clear usage of mathematical concepts like boolean operators was clever and impressive.