I'm really impressed with how much work was put into the game, down to knives still being stuck in the cliff after tossing them. The level is designed beautifully and it was fun that instead of just becoming harder as the game progressed, some changes were for better and some were for worse. The constant references to his wife made me think of Columbo, though maybe that is not the reference you are going for?
It's always nice to find a game that actually does both left and right hand controls, though it would be nice if the space bar jumped too, since I kept instinctively trying to use it to jump at first. (Perhaps you left it out due to the control changes at the end?) I eventually figured out to use arrows to move and W to jump.