Enter the following codes on the Map screen:
dhbambi- This shows where the deer are at all times.
dhdoeinheat- Lures deer toward you.
dhstealth- Deer can't see you.
dhbuckdown- Deer won't run away if you shoot and miss.
dhbigbucks- Bigger bucks.
dhsportaxi- Bigger deer.
dhmonsters- Lures Big deer.
dhhunter- Quiets the hunter.
dhrambo- Increased Accuracy.
dhfastgun- Faster reload.
dhviper- Hit the deer anywhere and it will die.