Unlocking the Ray Gun is quite easy, all you have to do is locate an orange glowing orb outside of Power Station and throw a grenade right into it. All is left to do then is to follow the orb and cut it when it stops.

Congrats, you can now buy the Ray Gun on the wall for the modest price of, 7500 points.

There are 21 monkeys around the map that you need to kill to unlock the Golden Banana that upgrades your slide.

The Golden Banana spawns at Farm's Barn, and the upgrade is permanent.

Once you've activated power, the code panel at Broken Arrow Factory becomes accessible. 17 codes can be used, and they all have a great variety of effect.