Thanks for the feedback :)
Yeah the soil would dry out if it isn't grown enough but it seems as if you managed to get into the positive feedback loop of growth (which wasn't 100% intended :D)
If worms are on a good soil and the come close to each other they have a chance to reproduce, the game would have needed a bit more infos for all the systems, sadly i ran a bit out of time :)
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Actually the chance if they come close to each other on good soil is 1:20 and if they come close to each other on bad soil it is 1:40 also if they reproduce your placement counter goes up, also if you just placed them then they cannot reproduce instantly all of the animals have a lifetime and after an certain "age" the can reproduce, maybe i shouldn't have added this many systems without more informations to explain them better :D
But it is good to know that this is not that easy to do i guess i gotta try to make this a bit more controllable or predictable, at the moment the movement of the worms is also a bit random if it is not raining so it could also be a bit of bad luck^^