Press flag to make food begin spawning press space to make a creature. It will reproduce and evolve. hold L and click a creature to mark it. Click a marked while holding L creature again to double mark it. press O to create a character. press P to delete it. while the character is in the game click the left mouse button to shoot.
creatures can have more children. Evolution is more exponential so a faster creature can get even faster but also can't get negative speed. Negative aging will also be gone so creatures can get really old without risking negative aging for their kids.