Unlock the following characters by performing the corresponding tasks:
MONSTER - HOW TO UNLOCK Bubba the Blob - Unlock the other 23 bonus monsters. Eyegore the Alien - Beat the game with the "All Challenges Met" award for all cities. Philbert the Ungulate - Beat the game with the "Par Scores Met" award for all cities. Brian - Fully upgrade 12 monsters. Fabio - Fully upgrade 3 monsters. Sarah - Fully upgrade 6 monsters. Squirmy - Fully upgrade 1 monster. Vern - Fully upgrade 20 monsters.