Here is the full list of all 61 PixelJunk Eden achievements.
Pollen Prowler combo x 15.
Collect 100,000 pollen.
Open ten seeds in a single jump, without gripping a plant.
Get two Spectra in a single jump.
Open all seeds in garden 14.
Reach the highest position in the tallest garden of Encore.
Get thirty crystals in a single jump.
Open all seeds in garden 15.
Kill three different types of enemy in a single jump.
Open all seeds in garden 08.
Open all seeds in garden 13.
Open all seeds in garden 12.
Open all seeds in garden 11.
Open all seeds in garden 10.
Open all seeds in garden 07.
Get all the Spectra in gardens 11 - 15.
Collect 1 Spectra in any garden within 1 minute.
Complete Garden 15 by collecting all 5 Spectra.
Collect all Spectra.
Complete Garden 14 by collecting all 5 Spectra.
Complete Garden 13 by collecting all 5 Spectra.
Complete Garden 12 by collecting all 5 Spectra.
Complete Garden 11 by collecting all 5 Spectra.
Get fifteen crystals in a single jump.
Collect 5 crystals while flying in slow motion.
Open all seeds in garden 06.
Open all seeds in garden 05.
Open all seeds in garden 04.
Use a quick warp.
Open all seeds in garden 02.
Get all 5 Spectra in any garden within 10 minutes.
Fully complete a garden a second time.
Get all the Spectra in gardens 01 - 10.
Complete Garden 10 by collecting all 5 Spectra.
Complete Garden 09 by collecting all 5 Spectra.
Open all seeds in garden 09.
Complete Garden 08 by collecting all 5 Spectra.
Defeat all 500 Pollen Prowlers.
Complete Garden 06 by collecting all 5 Spectra.
Get a Spectra in each garden 01 - 10.
Complete Garden 05 by collecting all 5 Spectra.
Collect 30 Spectra.
Complete Garden 04 by collecting all 5 Spectra.
Complete Garden 07 by collecting all 5 Spectra.
Get a Spectra after bouncing off a rock (or rocks) more than once.
Complete Garden 03 by collecting all 5 Spectra.
Open all seeds in garden 03.
Pollen Prowler combo x 10.
Complete Garden 02 by collecting all 5 Spectra.
Fly a long distance using a cannon.
Collect 10 Spectra.
Defeat an enemy using a drop attack.
Get all 5 Spectra in one garden.
Complete Garden 01 by collecting all 5 Spectra.
Open all seeds in garden 01.
Open 3 seeds in succession without gripping a plant.
Defeat a Guardian enemy.
Pollen Prowler Combo x 5.
Get your first Spectra.
Make a plant grow for the first time.
Visit the world of Eden for the first time.