/sci/ - Science & Math

I created a simple evolution simulator. Creatures are one-celled if you look from the outside, but they do have a brain. They have several attributes such as strength, weight, size and some others. These are mutated when the cell divides. Now, in order for them to develop more complex behavior (than just running around the map and eating stuff) I believe the world they live in must become more complex. So, are there any suggestions? Some thing I thought of: add physics, I've already made a simple physics engine, add different types of "blocks" (yes I do play Minecraft).

Pic related, it's a running simulation. Red blocks are the creeps and the green ones are the food. If you spot a grey one in the top left corner - that's a "brick block" prototype. These are blocks that can be moved with some force, but can't be eaten.