Yea it's bugged. But I got to say bro, you used the sprite of the rat from Tibia for this game logo, that made my day. I'm voting 5/5 just for the Tibia sprite.
Just as JumpRunner said - You can right click and explore through walls finding the finish instantly. But I really do like to idea of this puzzle, I don't think the mouse is quite sensitive because of how it follows the axis' that just takes a bit skill to control. But overall I'd say a 3/5 despite but the bug.
First comment, but it's a bug comment; You can just right click and go straight to the exit on every map. Finished this game in 5 seconds. Srry man 2/5
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