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