Super speed - You walk faster. Speed hack would make this useless.
Home Teleporter - Allows you to teleport to your house instantaneously. Not that important anyways.
Ironium Skin - You...

I think the only thing you could hack would be the stats.

Charm
Strength
Intelligence

I wouldn't hack karma, since that can be either negative or positive.
Also, I love this game, I've...

Guys, I don't think it would be illegal to hack this game, but in my opinion it would be unethical.
You can pay real money for cheats in the game, but if you hacked than nobody would bother to do...