Here is the full list of all 19 KByte achievements.
Score of 100 points in Watch
100% Game Completion
Beat the Boss
Complete every level of The Factory
Grab all 32 Collectibles
50% Game Completion
Play a level in evey World
Complete every level of The Ancient Ruins
Complete every level of The Fort
Complete every level of The Tower
Unlock and play with G-Byte
Complete every level of The Laboratory
Grab 16 Collectibles.
Complete every level The Volcano
Complete every level of The Blue Cave
Grab 8 Collectibles
Complete every level of The Sea of Clouds
Grab your first collectible.
Complete your first level