| icon | info | RA score |
|---|---|---|
 | The Gang's All Here! Unlock all of the hidden characters | 1points |
 | Cut In Half! Slice your opponent in half (Main Game) | 1points |
 | Feeling Flat? Make a pancake of your opponent (Main Game) | 1points |
 | Seeing Stars Beat your opponent so hard that they get dizzy (Main Game) | 2points |
 | Look At Frosty Go Clear main mode as Bad Mr. Frosty on any difficulty | 2points |
 | What'd You Call Me?! Clear main mode as Tiny on any difficulty | 2points |
 | Indescribable... Indestructible! Clear main mode as Blob on any difficulty | 2points |
 | A-Peeling Fellow Clear main mode as Nanaman on any difficulty | 2points |
 | In 20,000 Leagues Of His Own Clear main mode as Octohead on any difficulty | 2points |
 | Mommy's Little Terror Clear main mode as Googoo on any difficulty | 2points |
 | Straight Outta Caerbannog Clear main mode as Hoppy on any difficulty | 2points |
 | Boxing For Two Clear main mode as Kangoo on any difficulty | 2points |
 | Knockout Queen Clear main mode as Thunder on any difficulty | 2points |
 | Brass Bunny Clear main mode as Sarge on any difficulty | 2points |
 | Natural Newborn Killer Clear main mode as Spike on any difficulty | 2points |
 | Big Fish, Small Pond Clear main mode as Jack on any difficulty | 2points |
 | The One That Makes Ya Feel Alright Clear main mode as Dr. Peelgood on any difficulty | 2points |
 | Terror Has No Shape Clear main mode as Slyck on any difficulty | 2points |
 | All Brawn, No Brains Clear main mode as Butch on any difficulty | 2points |
 | Cooler Than Being Cool Clear main mode as Ice on any difficulty | 2points |
 | Saved By The Bell Win a round by timeout with a red health bar (Main Mode) | 5points |
 | Premium Grade Clay Win a perfect round (Main Mode) | 10points |
 | Thumpety-Thump-Thump Win a match as Frosty with at least one foot on the ground at all times (Main Mode) | 10points |
 | Come And Get It! Win a match as Tiny, only attacking from the corners of the stage (Main Mode) | 10points |
 | Makin' Hamburger As Blob, flatten your opponent twice and cut them in half (in any order) in under 3 seconds (Main Mode) | 25points |
 | Chilled Fruit Win a round as Nanaman without connecting punches, kicks, or each special move more than once (Main Mode) | 10points |
 | Whoa Man, That's Deep! Win a match as Octo using only crouching punches and kicks (Main Mode) | 10points |
 | Boss Baby Win a match as Googoo without ever having less health than your opponent (Main Mode) | 10points |
 | Hopping Mad Win a match as Hoppy without being on the ground longer than 1 second at a time (Main Mode) | 10points |
 | The Comeback Kid Win a round as Kangoo by KO, dealing no damage in the first half (Main Mode, No Infinite Time) | 10points |
 | Rolling Thunder As Thunder, perform 2 dashing kicks and a tail sweep in one combo (Main Mode) | 10points |
 | Drop And Gimme Ten! Win a match as Sarge after landing 10 anti-air special moves while your opponent is airborne (Main Mode) | 10points |
 | For Crying Out Loud Win a round as Spike after having thrown a tantrum for 45 non-contiguous seconds (Main Mode) | 10points |
 | Jack Be Nimble Win a round as Jack after dodging 3 projectiles using the backflip special move (Main Mode) | 10points |
 | Banana Smoothie Win a round as Peelgood after destroying 3 projectiles and never getting hit by any of them (Main Mode) | 10points |
 | Slippery Rascal Win a round as Slyck after hitting all 3 special moves and avoiding all enemy special moves (Main Mode) | 10points |
 | Full O' Beans Win a round as Butch, only dealing damage with his Big Stink special (Main Mode) | 10points |
 | Ice, Sculpture Win a round as Ice without moving left or right, except for special moves (Main Mode) | 10points |
 | Where Are They Now? Clear main mode on Hard difficulty as any character | 25points |
 | Unbreakable Clear main mode without losing a round | 10points |
 | Made In Mudville Clear main mode with over 500k points without losing a round | 25points |
 | Prize Fighter Clear main mode with over 300k points | 10points |
 | Grand Prize Fighter Clear main mode with over 600k points | 25points |
 | Champion Of Mudville Win an 8-slot double-elimination tournament on any difficulty without losing a match | 10points |
 | The Underdog Win an 8-slot double-elimination tournament on any difficulty after losing your first match (requires 2 controllers) | 10points |
