Thanks a lot we are very proud of this project.
As for the difficulty we probably got so good at the games from playing it instead of actually making it (aka procrastinating) that we got a different view on the difficulty. The only tips I can give is: you can change directions at RMB (a lot of people miss it), spend time to get what's going on or if you want to just f*ck around we recommend turning sandbox mode - having a hight spawn rate and a lot of explosions is very satisfying even though the highscore doesn't count then