| Stamp | How to unlock
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| A Cut Above | Defeat the Speed Slice champion.
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| A for Effort | Score 10 points with each of your 10 throws to get this stamp.
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| A Secret to Everybody | Hit all the secret targets in every level.
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| Archery Bull Stampede | Hit the center of the target and get 10 points with all three arrows in one stage.
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| Bag of Tricks | Land seven or more different kinds of jumps on a single run.
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| Balloon Animal | During practice, pop all 9 balloons in ten throws or less.
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| Century Shot | Shoot 100 arrows into the target.
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| Double Time | Slice the alarm clock when the two digits on the display are the same, such as 8.8, 7.7, or 6.6..
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| Ducks in a Row | During Canoe pratice, return all of the ducklings to the mother, then complete the next canoe speed race..
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| Ducky Come Home Stamp | In Canoeing, catch all ducklings and take them to their mother in practice.
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| Frisbee Dog Good Dog | Throw the Frisbee right into the center of the target area to make the dog jump up and grab it out of the air.
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| Frisbee Golf Under Par | Finish 3-, 9-, or 18-hole course under par.
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| Golden Arm | Score 100 points with every throw and pop every balloon.
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| Hole in One | Throw the Frisbee into the target area in just one throw.
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| Last Mii Standing | Defeat the champion in a duel.
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| Lucky Skip | Get this stamp when a Frisbee bound for water hazard skips across the surface of the water and lands safely on the other side.
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| Master Carver | Score 1,000 points or more on the Expert Level without hitting any obstacles.
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| Met Your Match | Draw three rounds in a row to get to the final battle ring, then draw again for a completely even match in single-player mode..
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| Not The Face Stamp | In Table Tennis, hit the opponent in the face with the ball.
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| On a Roll | To pull off a "roll-in," throw your Frisbee from outside the green, hit the ground, and roll it into the goal.
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| One-Hit Wonder | Push your opponent out of the ring with only one strike in single-player mode..
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| Perfect 10 | Clear Stage 10 without taking a single hit and losing a heart.
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| Perfect Target | Hit the center of the target area and score 100 points with all ten of your throws.
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| Psychic Slice | Cut an object correctly before it even hits the ground in single-player mode.
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| Sharpshooter | Score 10 points with every arrow in each of the 4 rounds.
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| Showdown Not a Scratch | Clear any stage without taking a hit and losing a heart.
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| Slicing Machine | Correctly slice at least one of each of the 18 types of objects in single-player mode.
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| Smooth Landing | Land 10 jumps in a row.
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| Speed Slice Slice and Dice | Win the contest without missing a single object by slicing the wrong way or failing to slice within the time limit.
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| Straight and Narrow | Play an 18-hole round of Frisbee Golf without throwing any discs out of bounds or into a water hazard.
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| Straight to the Point | Push your opponent out of the ring with a lunge in single-player mode.
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| Sure Shot | Hit the target with all 3 arrows in each of the 4 stages.
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| Sword Fighter | Defeat all of your foes to clear the first 10 stages.
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| Swordmaster | Fight through the final Showdown stage.
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| Swordplay Duel Cliff-hanger | The final battle ring appears if the two opponents are still locked in a draw after three rounds. It doesn't matter if you win or lose.
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| The Long Way Home | Land 50 jumps and wakeboard all the way around Wuhu island in Free-Cruising mode.
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| Under Par | Finish a round of Golf under par.
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| Untouchable | Fight through the final Showdown stage without taking a single hit and losing a heart.
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| Wakeboarding Huge Air | Score 100 points on a single jump.
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