1:Go to the Pyramid of the Moons.
2:Climb down the second pole to the right.
3:Go in the door and press B, A, and T simeltaneously, which will give you the yellow gem automatically.
4:Go right and unlock the door.
5:Walk further right and hit the... more
1. Start a new game of Keen 4.
2. Go to the Moon Pyramid, named Pyramid of the Moons.
3. Step on a moon drawing on the floor.
4. Wait. Instead of his idle habit of reading a book...
5. (drum roll)
7. Keen will "Moon" you! Only works... more
1. In a new game type "BAT" (Without quotation marks)
2. Now you should get all the gems, 99 gunshots and an extra keen!