Bird body and extra EVO points
You can evolve into a bird in the Reptile Era with the dinosaurs Go to Mt Brave and climb up to the top Keep away from the enemies which will throw you all the way back down A voice at the top will tell you to jump Jump off the left side to evolve into a bird At this time the bird is very weak but may be upgraded fast Wait until the cloud floating around in the overworld stops at a level Try to enter that level while the cloud is above it The bird will fly up to the cloud The cloud is similar to a maze but is not to hard to navigate Get the red crystal that will change the bird into a dragon for a short time It is easier to fly around this way since you are faster You should also save this form for later use The exit in the cloud is somewhere near the top Use it to reach space Fly all of the way to the left which may take some time After moving all the way to the left go all of the way up to find an entrance to a large object that may be an asteroid at the top of the screen Enter it to find an alien doing something to a pterodactyl He will tell you that he is too busy and leave Take the object he drops to get 9999 EVO points Upgrade your teeth and then your body fully Use the remaining points for any purpose Move to the right to find more openings Most of them are informational but one contains a red orb You can also kill the pterodactyls for 100 EVO points each allowing even more upgrades
Human body
After becoming a mammal evolve the cat jaws and rabbit body Then select the Ramopithecus body It will become human after two more evolutions
Mermaid body
Accumulate 10000 evolution points by the final ocean stage of Chapter 5 Select quotHand and Feetquot when evolving your character then select the quotTry To Evolve optionquot Continue to evolve three times to become a Mermaid