Thanks. I haven't been able to reproduce the entering code issue again either. If there is anything I can do to help with PAL vs. NTSC, please let me know.
The game definitely gets more challenging and even more fun in later levels.
Yes, the code entering 'bug' was so infrequent, I had trouble nailing it down! I'll look at the NTSC issue in an emulator and see if I can figure out what is happening. If I find a fix, I'll give you a shout to test - thanks for the offer of help!
