Thanks a lot for your feedback, I've just published an update fixing collisions and some other bugs. I also improved sprites as well!
The achievement system is the same as before, click on the buttons to get them.
- Button: 1k -> 1-1k
- Button: 2k -> 1.1k - 2k
- Button: 3k -> 2.1 - 3k
- Button: 4k -> 3.1 - 4k
- Button: 5k -> 4.1 - 5k
If you find any bugs or problems, post it in discussions and I'll solve them as soon as possible.
Thanks again!