Reach level 5. Reward: +50 HP. Doesn't stack with other level achievements.
Reach level 10. Reward: +100 HP. Doesn't stack with other level achievements.
Reach level 30. Reward: +300 HP. Doesn't stack with other level achievements.
Reach level 20. Reward: +200 HP. Doesn't stack with other level achievements.
Reach level 40. Reward: +400 HP. Doesn't stack with other level achievements.
Reach level 50. Reward: unlock Creature Creator and +500 HP. Doesn't stack with other level achievements.
Reach level 75. Reward: +750 HP. Doesn't stack with other level achievements.
Reach level 100. Reward: +1000 HP. Doesn't stack with other level achievements.
Eat 1000 food cells. Reward: +5% total health.
Kill 1000 or more creatures. Reward: +5% damage.
Collect 250 DNA. Reward: 5% chance to get double ammount of DNA from eating.
Survive for over 30 minutes. Reward: +5% XP from kill.
Beat Tardigrada. Reward: unlock creature.
Beat Hydra. Reward: unlock creature.
Beat Copepod. Reward: unlock creature.
Beat Tardigrade. Reward: unlock creature.
Beat Daphnia. Reward: unlock creature.