Here are how to get the unlockable challengers for the Battledome. Those that are gotten when you start an account are not listed.
| Unlockable | How to Unlock |
|---|
| Advisor Broo | Random Event while playing Dice-A-Roo |
| Balthazar | He is a random event. |
| Balthazar | Keep refreshing at http://www.neopets.com/halloween/index.phtml |
| Battle Faerie | 100 Referrals will earn you the Battle Faerie as a challenger |
| Black Pteri | Random Event |
| Brain Tree | Finish his Quest in the Haunted Woods |
| Cave Chia | Keep refreshing at http://www.neopets.com/prehistoric/painting2.phtml |
| Cave Chia | You can find him by going to the second page of the Cave Paintings in Tyrannia and refresh |
| Chia Clown | Automatically available as a challenger when entering the battledome |
| Chiazilla | Get him at the Ruins of Maraqua |
| Chiazilla | Keep refreshing at http://www.neopets.com/water/index.phtml |
| Commander Garoo | Keep refreshing at http://www.neopets.com/space/index.phtml |
| Count Von Roo | He is a random event, you need to browse around on neopets in the night (Neopian Time) |
| Count Von Roo | Random Event |
| Edna | Go to the Witch's Tower in the Haunted Woods and complete her quest at midnight - 1am (Neopian Time) |
| Edna | Finish her Quest in the Haunted Woods |
| Fire Faerie | To get her as a challenger, choose her as an opponent for Gormball. If you win, she will challenge you. |
| Flaming Meerca | Automatically available as a challenger when going to the battledome |
| Ghost Lupe | http://www.neopets.com/neohome.phtml? type=neighbourhood&location=0& street_name=4&street_number=131 |
| Ghost Lupe | go to http://www.neopets.com/neohome.phtml? type=neighbourhood&location=0&street_name=4 |
| Grarrg | http://www.neopets.com/prehistoric/townhall.phtml |
| Grarrg | Automatically available as a challenger when entering the battledome |
| Harry the Mutant Moehog | Automatically available as a challenger when going to the battledome |
| Highland Chia | Automatically available as a challenger when going to the battledome |
| Jelly Chia | Enter the Gallery of Evil and search for the Jelly Chia under the drop down menu. |
| Jelly Chia | http://www.neopets.com/evil/showcreature.phtml?pos=16 |
| Kastraliss | Keep refreshing at Keep refreshing at http://www.neopets.com/search.phtml?selected_type=pet&string=Kastraliss |
| Kasuki Lu | Buy a "Kasuki Lu" trading card and click on it once it's in your inventory |
| Kasuki Lu | If you want him as a challenger, you need to buy his Collectable Trading Card by the same name |
| Kauvara | http://www.neopets.com/neopedia.phtml?neopedia_id=9 |
| Kauvara | Go to Kauvara's shop and refresh. She may challenge you |
| Koi Warrior | Go to the Ruins of Maraqua and keep refreshing. |
| Koi Warrior | Keep refreshing at http://www.neopets.com/water/index.phtml |
| Lab Ray Scientist | Keep refreshing at http://www.neopets.com/lab2.phtml |
| Lab Ray Scientist | First you need the secret laboratory map completed, then refresh at http://www.neopets.com/lab2.phtml |
| Lava Ghoul | He is a random event or play the Wheel of Excitement and land on him. |
| Lava Ghoul | Random Event |
| Magnus the Torch | go to http://www.neopets.com/prehistoric/volcano.phtml |
| Magnus the Torch | http://www.neopets.com/prehistoric/volcano.phtml |
| Maintenance Pteri | Found in a random event while using the site |
| Meerca Henchmen | Keep refreshing at http://www.neopets.com/desert/tr4pd00r.phtml |
| Meuka | Use a Ferocious Negg, Random Event, or Wheel of Misfortune in Deserted Fairgrounds to give your pet Sneezles of Neoflu; then visit Quick Ref |
| Meuka | Your pet has the sneezles go to your pet's page |
| Mummy | http://www.neopets.com/halloween/mummy.phtml |
| Mutated Chia | He is a random event. |
| Pant Devil | Put a worthless item in your "your items" page and press F5, he'll show up after a while. |
| Pant Devil | Random Event or have him steal an item in the Wheel of Excitement in Faerieland |
| Plumbeard | http://www.neopets.com/pirates/academy.phtml?room=110 |
| Punchbag Bob | Automatically available as a challenger when entering the battledome |
| Quiggle Warlord | Automatically available as a challenger when entering the battledome |
| Red Pteri | Random event. |
| Robo Grarrl | Automatically available as a challenger when going to the battledome |
| Ryshu the Nimmo | http://www.neopets.com/neopedia.phtml?neopedia_id=13 |
| Ryshu the Nimmo | You can find Ryshu at the Mystery Island Training School |
| Sabre-X | Random Event in Tryannia |
| Shadow Usul | He is a random event |
| Shadow Usul | Random Event |
| Sidney | Win a level 3 or higher prize on one of his scratchcards |
| Snow Faerie | To get her as a challenger, go to the Terror Mountain and click on the Snow Quests. Complete one of her quests then she will challenge you. |
| Snow Faerie | Finish her Quest on the Top of Terror Mountain |
| Space Faerie | Get her by having one of the "rare codes" given out when you buy NeoPets merchandise |
| Space Faerie | Redeem a Rare Item Code at the Space Station |
| Spider Grundo | Enter the Gallery of Evil and search for the Spider Grundo under the drop down menu |
| Spider Grundo | http://www.neopets.com/evil/showcreature.phtml?pos=15 |
| Tax Beast | Have some money ready and keep refreshing on your items page. He'll come, takes 10% of your money and challenges you. |
| Tax Beat | Rand Event where he takes 10% of your Neopoints on hand |
| Tekkitu the Witch Doctor | Take a Tiki Tour on Mystery Island |
| Tekkitu the Witch Doctor | You can find him by taking the Mystery Island Tiki Tour |
| The Brain Tree | Go to the Brain Tree in the Haunted Woods. Complete his quest and he may challenge you |
| The Esophagor | to the Esophagor in the Haunted Woods. Complete his quest (without being on a Brain Tree quest) and he'll challenge you |
| The Snowager | Have him blast you at his cavewhen you try to wake him up in the Ice Caves |
| The Snowager | Visit the Snowager at his lair when he's sleeping, try to pick something up and when he wakes up he'll challenge you. |
| Tiki Tack Man | Go to his shop on Mystery Island and you may get him as a challenger. |
| Tiki Tack Man | http://www.neopets.com/objects.phtml? type=shop&obj_type=21 |
| Vira | Random Event |
| Zafara Rogue | Keep refreshing at http://www.neopets.com/art/index.phtml |
