So finished the game a couple of times and could not unlock all powerups and upgrade. Any specific tip on how to unlock all of them?

Hi everybody. Ice Trick is the last achievement for me. I tried following two "guides", one from here and another from Astats, but I can't seem to get it. Any ideia on how to do it?

What’s the best way of unlocking all secret levels I have beaten game on all difficulty’s but I don’t get close to all secret levels any tips?

Something about this game feels really right, feels really like an arcade game. The sounds are great, the flashing lights. The only thing that isn't perfect for me is the pacing: games take longer than I usually would like.

This game used to work under Windows Vista and I seem to remember (not sure) that it also worked under Windows 8. But it does not work under Windows 10! The shooting thingie that is controlled with the mouse drifts to the left side of the screen uncontrollably. Read on the internet that more people have the same issue, but haven't found a solution yet! Anyone has an idea? Tried to play in windowed mode, tried running it as admin and tried every compatibility mode, but can not get it to work! Appreciat...