Play the Eyries map and put the enemies at Emperor. At the end of the battle, you should get about 47 experience.
Play as the Dark Elves on a random map with lots of animals. Create a Spider Queen, and attack the animals. The result is four spiders.
While playing the game, enter one of the following codes to activate the corresponding cheat function. Note: The codes will not work if the game has been patched to v1.03.