Animal Invasion

"Things are getting hairy around the Outpost... That's right, Animals are invading Level 20+ this week!"

- Ikki

Overview
The Animal Invasions are special events. During these events, Critter encounters are more likely to spawn and are more likely to drop Teeth.

So far, there have been 2 Animal Invasion events:
 * May 2012
 * May 2013