Here is the full list of all 24 Mekazoo trophies - there are 12 bronze, 3 silver, 8 gold and 1 platinum.
Complete All Achievements
100% completion
Find all secret switchers
Collect all Gems
Collect all time medals
Collect all Bounty Medals
Collect all Stay Alive Medals
Equip boss costume
Unlock all platings, glows, and costumes in the Mekapod
Collect 60 gears
Unlock the pelican
Collect 100 Gems
Exorcise the armadillo
Collect 25 gears
Unlock the panda
Beat a Boss in co-op
Unlock the wallaby
Collect a Gem via 400 mekaballs
Collect 10 Gems
Alter your appearance in the Mekapod
Collect your first gear
Beat a Level in co-op
Unlock the frog
Recharge your shield