> I wish the differences between games' versions were more clearly documented in the History.dat. A lot of the time, it doesn't even mention any differences.
The fact is that "clones" share the same entry as the "parent" set ...
I would also be very happy if differences between clones were more documented (something like I started to do in arkanoid.c driver or in galaxold.c driver for "Moon Cresta" clones), but I admit this is a very long task because you need to analyse the games code as some effet aren't visual ...