So I've been gathering a few ideas on how to make the creature stage feel more real :
Spoiler
2) No DNA reward for killing, befriending a creature.
3) Impossible to extinct or befriend a hole species in creature stage.
4) Whether you're predator or social is determined by what you eat. Meat for predator, fruit for herbivore and egg is neutral.
5) Larger and more populated planets.
6) No nests or invisible nests.
7) If no nests would cause problems then small nest. Like the tribal stage ones.
8) All creatures will roam the planet freely.
9) Creatures will go and find food and hunt other creatures if carnivore/omnivore. This is to give the survival of the fittest feel and have competition for food, especially if herbivore.
10) Creatures that can fly will fly while roaming.
11) Variety creature behaviors. Example : large herbivores will travel in herds, small carnivores will hunt in packs, large carnivores hunt alone, etc...
12) No sea monster.
13) No Maxis creatures. Too goofy for my taste.
14) Peaceful herbivore epics. Sauropods anyone?
15) Weak creatures will run when attacked.
16) All mouths available. Example : if you complete cell stage as a herbivore then you can have access to carnivore and omnivore mouths.
17) All parts available from start.
18) No complexity limitation.
19) Attacks and other actions pile up. Example : two sets of level 1 wings will give level 2 flight.
20) Gait control for creatures with less than 10 legs. I want my tripodal creatures to have a good gait.
21) Heads don't look up, if not facing forwards, when walking.
I know that most of these have already been done, like the no sea monster mod, but I'm unable to find the scripts for them.