Thanks for the fix - works great now. I still love how fast and difficult the game is - keeps me coming back for more! Reminds me a lot of Donkey Kong and Chuckie Egg, but sped up!
Thank you again for your appreciation. Yes, I deliberately chose to keep the game fast and difficult to make it a bit challenging, especially since there are only 3 distinct screens.
However, on request by one user, on the newer versions available on retrobits.itch.io/lader it is possible to choose the desired game speed.