Here is the full list of all 19 Wavey The Rocket achievements.
Beat the train race level in The Streets
Escape from Juicy in The Factory
Beat The Boom Swing in The Factory
Beat Mr Pinchy in The Mines
Beat The Guardian in The Tombs
Beat The Gamers in The Arcade
Beat Vile in The Inferno
Beat Squarey in The Armada
Take down The Moon in The Core
Score 1,000,000 points in any level
Finish a level with a 50x multiplier
Unlock a door to a Grandmaster level
Complete a Grandmaster level
Collect every Grandmaster Key
Unlock a door using gems without completing all required levels
Collect every Gem
Complete the main campaign in less than 3 hours
Score 100 points in Shootin' Hoops
Hit 10 daze cans in Soda Poppin'