Originally Posted by MagerValp
Yes, and which are that?
To the best of my knowledge every NTSC C64 game either got an official PAL release or at the very least was imported and fixed by crack groups.
If you're talking about 'cracked' games then they probably will work on all machines, but if your talking about originals then most definitely not! RapidLok was notorious for being locked to one format, and as Khyron explains, not all NTSC games would run on PAL hardware without fixing!