Chess is a very simple game and yet it is very diverse in the ways it can play out.
Just because a game's rules are simple doesn't mean the game itself is simple.
So are you saying that chess is simple, or that it's complicated? You basically made two contradictory points. =P
The RULES in chess are simple, but when you are actually playing chess, you will find that it quickly becomes very strategic (depending on who you are vs'ing). Therefor, a simple game can be both.
Maybe to you. To me, it'd be extremely fun and engaging.
I won't bother refuting the analogies. =P
You like roguelikes, don't you?
So are you saying that chess is simple, or that it's complicated? You basically made two contradictory points. =P
But it randomly selects from a hard-coded set of pieces. If Tetris had randomly generated pieces every session, it'd be a lot more complex.