|No Towers Allowed||The player must complete the waves of The Deeper Well without using any towers.||The Deeper Well||Nothing||Staff||Staff||Staff|
|Unlikely Foes||The Unlikely Allies challenge switches the role of defending an Eternia Crystal with a moving Ogre.||Foundries and Forge||Bow||Bow||Bow||Monk Sword|
|Warping Core||This challenge has the Eternia Crystal warp randomly around the map.||Magus Quarters||Hammer||Hammer||Hammer||Hammer|
|Raining Goblins||Many Goblins fall right from the sky right over the crystal requiring range weapons for effectiveness.||Alchemical Laboratory||Spear||Spear||Spear||Spear|
|Wizardy||This features Dark Elf Mages when all but two are invicible at once.||Servants Quarters||Staff||Staff||Staff||Staff|
|Ogre Crush||A wave of Ogres come stumbling towards the Eternia Crystals.||Castle Armory||Sword||Sword||Sword||Sword|
|Zippy Terror||A challenge exclusively of Kobolds. They light their fuse and rappidly fly towards two crystals. No towers allowed!||Hall of Court||Bow||Bow||Bow||Bow|
|Chicken||One person on the team is the chicken who can not jump, runs slower, has one health, and a set of lives. The chicken changes after every death.||The Throne Room||Monk Sword||Monk Sword||Monk Sword||Monk Sword|
|Monster Fest||The team has 20 lives. As the waves increase, so does the time, difficulty, and number of Creatures.||Oakvale Crossing||Class Weapon*||Class Weapon*||Fairy||Fairy|
|Moving Core||Moving core is very similar to warping, only one difference, it does not warp, it actually moves along a path.||Royal Gardens||Spear||Spear||Spear||Genie|
|Death From Above||The player must survive waves of Wyverns and an occasional Ogre or 2.||The Ramparts||iGameshot's||Animus||Animus||Animus|
- A Class Weapon is one usable by the class of the player when they complete the last wave of the challenge.
- Hall of Heroes PVP is under the challenges list but is not considered a challenge as it is a standard PVP arena with mobs offering victory through player kills rather than wave survival.