Here is the full list of all 27 Transpire achievements.
Obtain the diamond medal in every world
Get all achievements in the game
Get the gold medal in the volcano world
Obtain atleast the gold medal in every world
Get the diamond medal in the volcano world
Finish the volcano world
Beat the volcano world having collected all collectables
Enter the credits tab
Get the gold medal in the desert world
Get the diamond medal in the desert world
Stay in the air for atleast 8 seconds
Spin 360 degrees in one jump
Spin 1080 degress in one jump
Finish the desert world
Beat the desert world having collected all collectables
Get to the end of the map
Get the diamond medal in the neon world
Collect 500 objectives
Get the gold medal in the neon world
Beat the neon world having collected all collectables
Collect 200 objectives
Jump 1000 times
Collect 100 objectives
Finish the neon world
Obtain the gun upgrade
Obtain the jetpack upgrade
Obtain the double jump upgrade