Here is the full list of all 46 Minute to Win It achievements worth 1,000 gamerscore.
Accumulate over 100 points in "Broom-ski Ball"
Accumulate over 200 points in "Wet Ball"
End the 2nd Show mode on Easy difficulty
Accumulate over 100 points in "Shoe Fly Shoe"
Accumulate over 100 points in "Ka-Broom"
Earn 20 gold medals in Time Trial mode
Win $ 4,000,000
End a Show without losing a single life
Finish a Cart Race with 2 customers in your cart
Finish a Cart Race in time with all Items
Win $ 2,000,000
End the 1st Game Show mode on Easy difficulty
Win $ 1,000,000
Earn 15 gold medals in Time Trial mode
Accumulate over 100 points in "What a Racquet"
Accumulate over 50 points in "Ping Tac Toe"
Accumulate over 100 points in "Punch Your Lights Out"
Earn 10 gold medals in Time Trial mode
Accumulate over 50 points in "Super Coin"
Accumulate over 100 points in "Egg Roll"
Accumulate over 200 points in "Rapid Fire"
Accumulate over 100 points in "Card Ninja"
Accumulate over 100 points in "This Blows"
Accumulate over 2000 points in "Nervous Nelly"
Accumulate over 100 points in "Loner"
Accumulate over 100 points in "Sticky Ball"
Earn 5 gold medals in Time Trial mode
Accumulate over 100 points in "Bucket Head"
During an event, throw an object into the audience
Accumulate over 100 points in "Go The Distance"
Earn 1 gold medal in Time Trial mode
Accumulate over 100 points in "Hanky Panky"
Successfully beat a challenge in Show mode
Play all challenges in Training mode
End the 3rd Show mode on Easy difficulty
End the 4th Show mode on Easy difficulty
End the 1st Show mode on Hard difficulty
End the 2nd Show mode on Hard difficulty
End the 3rd Show mode on Hard difficulty
End the 4th Show mode on Hard difficulty
Finish all 20 challenges in Survival mode
Win all advertisement challenges in Show mode
Run for 1 mile
Won every show on Easy & Hard modes
Accumulate over 100 points in "How's It Hanging"
Accumulate over 100 points in "High Strung"