Here is the full list of all 1317 Dinosaur Forest achievements. It takes around 0-1 hour to unlock all of the achievements on Windows.
h̭᷁͋o̩͖̓w̖̪̅ c̰ͦ᷉a̗᷈ͭn̏̑ͪ mͥ᷈͡ḯͤͣr̢̰̪r͍ͯͩo͚͈͡r̎̾͠s̢͏̦ b᷇ͩͫe̬̐̇ r͚̀͑e̬̲͠aͯ͒͠l᷆͑̏ i̯̖͛f᷂̹͘ ö̹᷇u̴̬ͦr͈͍̆ ĕ̝͠y̴̝ͨè͕̀s͚᷆͒ a̴ͭ͜r̲̃̚e͔̾̇n͚͛͡t̪͙͒ r͈͏̡e̟ͯ̍ã͎̗ḻ̓͊