Hey, thanks for your kind comment! Yeah I got myself inspired from a Sebastian Lague video where he does a very similar thing.
I also wanted to try out doing some simulation on the GPU using a "feedback" shader (turned out to be pretty tricky to set up in Godot, but worked out well in the end). The pheromone diffusion is done that way to keep things fast.
I did the coding, background art and the music myself. I got help for the ant and enemy sprites and the SFX.