Here is the full list of all 51 Kabounce trophies - there are 39 bronze, 9 silver, 2 gold and 1 platinum.
Receive the MVP highlight at the end of an Online Quick Match
Complete all advanced training challenges
Eliminate an opposing player just before they score
Eliminate another player
Level up once
Unlock a legendary customisation item
Complete all basic training challenges
Get all trophies
Reach level 25
Reach level 50
Receive a total of 5 match highlights
Receive a total of 50 match highlights
Receive a total of 150 match highlights
Receive a match highlight in every category
Receive a total of 20 MVP highlights
Receive a total of 50 MVP highlights
Win 25 online matches
Win 75 online matches
Win 150 online matches
Win 5 Quick Matches without losing
Finish a match with 15 different base pinballs
Eliminate two opponents in a Quick Match with a single ability use
Eliminate three opponents in a Quick Match with a single ability use
Using the Slam, eliminate an opponent from a long distance
Destroy a player in the air
Steal over 5,000 points in an Online Quick Match with a single ability use
Steal back your points before your eliminator can score them
Without dying; surpass a 150 combo, accumulate at least 12.500 points, and score in an Online Quick Match
Eliminate a player Shocked by a teammate
Be involved in a complete elimination of the opposing team
Eliminate 10 players in a single Quick Match
Eliminate a total of 300 pinballs
Score over 5,000 points in the last 2 seconds of a match
Control at least 75% of all bumpers at the end of a match
Score at least 20,000 points in a single match
Capture 5 unique bumpers without abilities or touching the floor
Capture 15 unique bumpers without touching the floor
Dash through 5 hoops within 4 seconds
Capture 15 hoops within 20 seconds
Capture 10,000 bumpers
Capture 50000 bumpers using abilities
Use the Spin Ability to rotate your ball 100,000 times
Dash to avoid being eliminated
Dodge 5 eliminations by blinking
Open 25 loot balls
Complete 10 challenges
Complete all challenges
Complete 15 challenges with gold or higher
Complete all challenges with gold or higher
Defeat a Dev Score in challenge mode
Defeat 15 Dev Scores in challenge mode