Here is the full list of all 75 Creatura achievements worth 1,000 gamerscore.
Grow a flower
Unlock crustaceans
Reach level 10
Have 23 animals at once
Unlock slugs
Take cutting of rare plant
Make foggy tank
Take 100 root cuttings
Grow a fruit
Unlock fishes
Plant 100 plants
Reach level 20
Use In-Vitro and Succed
Grow a tree
Take 100 leaf cuttings
Reach level 30
Have 42 animals at once
Make partless tank
Use CRISPR and succed
Unlock silverfishes
Reach level 40
Take 250 root cuttings
Sell plants worth 100 thousand credits
Plant 250 plants
Have 100 thousand credits at once
Unlock horseshoe
Edit fruit size DNA
Edit animal roundness DNA
Take 250 leaf cuttings
Edit herbicide resist DNA
Have 10 decorations at once
Grow 10 rare plants at once
Take 500 root cuttings
Plant 500 plants
Grow weed
Edit DNA of 100 plants
Edit DNA of 100 animals
Unlock seasnails
Take 500 leaf cuttings
Take 100 flower cuttings
Take 1000 root cuttings
Edit DNA of 250 plants
Plant 1000 plants
Unlock amphibians
Edit DNA of 250 animals
Have rare animal family
Take 1000 leaf cuttings
Discover animal from every order
Edit DNA of 500 plants
Have 25 decorations at once
Sell plants worth 1 million credits
Take 250 flower cuttings
Edit DNA of 500 animals
Take cutting of unique plant
Finish Tutorial
Edit DNA of 1000 plants
Take 100 fruits
Have 7 rare animalfamilies at once
Take 500 flower cuttings
Have 50 decorations at once
Discover plant from every order
Take 250 fruit cuttings
Have 100 decorations at once
Sell plants worth 1 billion credits
Mark all (only) non-vital codons in genome
Take 1000 flower cuttings
Take 500 fruit cuttings
Have 1 billion credits at once
Have 1 million credits at once
Mark all (only) non-vital codons in all genomes
Take 1000 fruit cuttings
Grow 10 unique plants at once