How About Some Easter Eggs

Hint 1 of 4:

D)rop Devil Pods (if you find any) behind your enemies.

Hint 2 of 4:

Check 38N 36W for the Face On Mars!

Hint 3 of 4:

Your spyglass is the ultimate weapon. U)se it on enemies - they vanish!

Hint 4 of 4:

The Ruby Slippers are under a rock at 57S 50E. Use 3 times & see Endgame.