Here is the full list of all 23 SkyScrappers (EU) trophies - there are 6 bronze, 9 silver, 7 gold and 1 platinum.
Obtain all other trophies
Complete a four-player multiplayer game with all human players
Complete all the single player campaigns
Complete the single player campaign as Jessica
Complete the single player campaign as Solene
Complete the single player campaign as Kichirou
Do a slide trick
Do a special move attack
Win a game without losing any health
Complete the single player campaign as Phileas
Strike a flaming object into another character
Do a special move jump
Completely fill your super bar
Win a game by landing on the roof of a building
Do a long jump trick
Strike a falling object into another character
Win a match for the first time
Do a vertical rush trick
Do a three point landing trick
Win your first round
Finish a game with a weapon attack
Hit an opponent with a ground pround attack
Do a jump of over 15m from an inclined platform