I'm really disappointed in the crashing, but glad you enjoyed it :)
I figured out the issue, but too late to update the game sadly. I believe I have an in game work around if you want to try again before I can officially update it.
Crashing seems to happen when the in level timer reaches 2 minutes. If you play in "Time Attack" you can see the timer, then pause the game before it reaches 2 minutes and select "Retry" to reload it