Splat-a-Stamp is a Free-for-All minigame in Mario Party: Star Rush.
Opening[]
Each character stands near their slingshot while applause is heard in the background. The camera then zooms in to the stamp.
Gameplay[]
Players have to use the stylus to fling paint balls onto a stamp to cover it with ink. The minigame randomly decides on the stamp, which can be either a Bullet Bill, a Bob-omb, or a Shy Guy. It is possible for other characters to override another character's ink with their own color instead. After 30 seconds, the timer runs out, and the ending follows.
Ending[]

Results screen
The stamp floats into the air and flips upside down as a piece of paper with the stamp outline comes in. The paper is then stamped with the ink splatted onto it, and each character's percentage is calculated, ranging from as low as 0 to as high as 100. Whoever has the highest percentage is the winner.
See also[]
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Characters | Playable | Mario • Luigi • Princess Peach • Princess Daisy • Wario • Waluigi • Yoshi • Toad (Toads: Red • Blue • Green • Yellow) • Toadette • Rosalina • Donkey Kong • Diddy Kong |
Bosses | Mega Goomba • King Bob-omb • King Boo • Petey Piranha • Mega Blooper • Mega Dry Bones • Mega Monty Mole • Kamek • Bowser Jr. • Bowser • Bowser's mech | |
Others | Amp • Blooper • Bob-omb • Boo • Bullet Bill • Chain Chomp • Cheep Cheep • Conkdor • Fuzzy • Galoomba • Gold Bullet Bill • Gold Cheep Cheep • Gold Piranha Plant • Goomba • Goombrat • Hammer Bro • Huckit Crab • Koopa Troopa • Lakitu • Magmaargh • Monty Mole • Peepa • Piranha Creeper • Piranha Plant • Podoboo • Shy Guy • Spike • Spiny • Swooper • Urchin • Wiggler | |
Features | Dice Blocks | Standard Dice Block • Super Dice Block • Jumpy Dice Block • Speedy Dice Block • Friendly Dice Block • Greedy Dice Block • Risky Dice Block • Flutter Dice Block • Cutie Dice Block • Wondrous Dice Block • Brawny Dice Block • Triple 7 Dice Block |
Items | Coinado • Dash Mushroom • Double Card • Double Star Card • Double Dice Block • Duel Glove • Fling Spring • Golden Dash Mushroom • Gold Dice Block • Poison Mushroom • Silver Dice Block • Warp Box | |
Coinathlon items | Blooper • Coin Bag • Coin Trio • Double Medal • Kamek • Lava Bubble • Lightning Bolt | |
Board features | ? Block • Cannon Space • Coin Balloon • Duel Balloon • Lakitu • Shy Guy Shop • Star Balloon | |
Maps | Toad Scramble | World 0 • World 1 • World 2 • World 3 • World 4 |
Balloon Bash | Map 1 • Map 2 • Map 3 | |
Worlds | World 0 | World 0-1 • World 0-2 • World 0-3 |
World 1 | World 1-1 • World 1-2 • World 1-3 | |
World 2 | World 2-1 • World 2-2 • World 2-3 | |
World 3 | World 3-1 • World 3-2 • World 3-3 | |
World 4 | World 4-1 • World 4-2 • World 4-3 | |
Minigames | Free-for-All | Acornucopia • Block Busters • Blowboat Battle • Bridgesaw Puzzle • Bumper Bugs • Conkdor de Force • Corkscrew Climb • Dodge Fuzzy, Get Dizzy • Fruit or Foe • Fruit Parade • Goomba Guess • Greedy Eats • Haunted Hallways • Jewel Janitors • Jump to Conclusion • Lava Labyrinth • Parkour War • Piranha Plantemonium • Piece of Cake • Pop Quiz • Roller Revenge • Rolls for Moles • Shooting Stars • Splat-a-Stamp • Top It Off • Wheelin' and Wigglin' |
Boss Battle | Bowser's Hit-or-Missile Mania • Bowser's Shocking Slipup • Bowser's Space Race • Bowser Jr.'s Pound for Pound • Kamek's Card Tricks • King Bob-omb's Boom D'état • King Boo's Light Smite • Mega Blooper's Bayside Bop • Mega Dry Bones's Femur Fever • Mega Goomba's Bad Dream • Mega Monty Mole's in the Hole • Petey Piranha's Shell Smackdown | |
Coin Chaos | Cheep Cheep Reach • Conveyor Meltdown • Goomba Gold Rush • House of Boos • Leafboard Hoard • One-Stop Toad Shop • Pinball Brawl • Rolling Rumble • Samurai Smackdown • Silver Lining • Steal Diver • Tiles and Tribulations | |
Bowser's Gauntlet | Bowser's Fence Fury • Bowser's Fire Hazard • Bowser's Power Bomb | |
Miscellaneous | Other | Balloon Bash • Boo's Block Party • Challenge Tower • Character Museum • Coinathlon • Rhythm Recital • Toad Scramble |
Other | Character Museum • Gallery • Minigames • Staff |