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