I got to the end of the game and it’s definitely very cool!
Though sometimes it’s unnecessary too hard and often it doesn’t give enough hints to the player. I wouldn’t finish it without the tutorial for sure. The mecha fight, for example - I would never figure out the fight sequence. Couldn’t solve the “8” puzzle on the endless ladder too…
The save system may be frustrating sometimes, for example, the two-headed mutant killed me and I got “Game Over” instead of the usual “Fight on”. If I missed the nearest save, I would have to make a very long way again.
Anyway, the game is very good!