Here is the full list of all 43 Birthdays the Beginning achievements.
Accumulated over 3 billion total Cube Years.
Accumulated over 1 billion total Cube Years.
Accumulated over 500 million total Cube Years in Free Play mode.
Captured every organisms.
Captured the Grand Watcher, Smilodon rex.
Cleared all challenges.
Captured the giant squid, Architeuthis.
Captured the elusive Nessie.
Cleared 1 challenge.
Achieved Cube temperature below 0°C.
Made the deepest sea on the largest Cube.
Made the highest mountain on the largest Cube.
Obtained
Made the entire Cube into sea.
Achieved Cube temperature of 60°C.
Cleared Scenario 4.
Exceeded 2 million in total organisms.
Captured the giant panda, Ailuropoda melanoleuca.
Raised Avatar's level to max.
Captured the stench blossom, Rafflesia.
Captured the domesticated dog, Canis familiaris.
Cleared Scenario 3.
Captured the ancient fish, Latimeria.
Captured the ancient pachyderm, Mammuthus.
Captured the olive tree, Olea.
Exceeded 1 million total organisms.
Captured the ancient bird-lizard, Archaeopteryx.
Captured the terrible lizard, Tyrannosaurus.
Captured an ammonite.
Captured an SS-sized organism.
Cleared Scenario 2.
Captured the primordial plant, Prototaxites.
Captured the prehistoric fish, Coelacanthus.
Captured the primitive dragonfly, Meganeura.
Moved terrain over 10,000 times.
Cleared Scenario 1.
Cleared with a result of 4 or more stars.
Cleared with a result of 5 stars.
Captured a 9-star rarity organism.
Moved terrain over 1,000 times.
Captured your first organism.
Used an item for the first time.
Obtained all trophies.