Alien abduction

You and your wife are abducted by aliens. Would you be able to escape? No Latin letters, no Arabic numbers. Is it hard to get out? Yes, it is. In an environment like this, nothing will be familiar. Only very few can pass the test. This is a game where you have to use your brain. If you give up easily, it is not your game.

Fact: Only one of my engineer colleagues could escape with his wife. I wish you luck.

The game contains visual novel elements, too.
According to your choices, there are 17 endings.