I was just looking for an end and my honest "Thanks for playing" xD
I guess wave 40-50. At some point i found that i can slap bugs out of screen and just shoot back(no aiming required). You just stand a few steps from animal and spam slap in one direction(animal) and booom in other direction.
Oh, i see! So I should consider losing an animal as a lose in game, that makes sense ⸜(｡˃ ᵕ ˂ )⸝♡
It's hard to suggest any ideas for me, cause I see to many directions where you can go now ^^ First thing that comes to my mind, you can add roguelike style detail. Something betwean runs, some upgrades, more weapons. But this leads us to vapire survival like game, maybe that's bad. So it would be great to see what your team come up with!