I've never used fusion ... no, really. Ritual, like once or twice.
Focusing on effect and tactics around it so Synchro is quite neat.
I used Fusion before it was hip.
...it was horrible. Machines were the way to go for making big atk points.
XYZ Dragon, Frontline base, Limit Remover, Last Will, now that was a deck!
Wow, that's like the very very beginning.
In the beginning there were no restrictions at all :X
And the rules were shittily maintained. That's actually why I quit. Nothing more annoying than rule confusion in a manually conducted game.
Oh that reminds me! Are destroyed cards still left on the field until the end of a chain? That was probably THE dumbest, most random, and most contradictory change I ever saw in this game. I don't think Japan ever got that rule.