Here is the full list of all 31 Foul Play trophies - there are 16 bronze, 9 silver, 5 gold and 1 platinum.
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Equipped 2 Team Charms
All Charms unlocked
12 Charms unlocked
All Stars collected
Performed 30 'Heads-Up' moves
Remained in the air for 15 seconds
Performed 50 Ace Returns
Performed 100 Stunning Piledrivers
Completed Play 5
Completed Play 4
Performed 50 Stage Crasher moves
Performed 50 Perfect Scenes
75 Stars collected
6 Charms unlocked
Reached Level 12
Performed 50 Cannonball Combos
Performed 100 Magnificent Combos
Completed Play 3
50 Stars collected
Completed Play 2
You earned your first 5 Star performance
25 Stars collected
You achieved a x200 combo
Reached Level 6
Completed Play 1
Played with 2 Charms equipped
You achieved a x100 combo
First Charm unlocked
You achieved a x50 combo
Leveled up for the first time