So far, I've seen questions about minimum-bookkeeping game recommendations, to keep it simple easy, and fast-to-play. That is understandable, since many play their games in-person. However, lots of bookkeeping is not that much of a problem in play-by-post environments and some people (including me) like or even love to have a lot of dice, lots of spells with different effects, lots of mechanically described options, and other such complexities to play with and keep track of.
I'm looking for a game that has lots of detailed bookkeeping, lots of options, and lots of detailed complication to enjoy.
Dungeons & Dragons 3.5, for example, satisfies some of that, and I'm told that AD&D (sessions of which are hard to come by around here) is really much more complicated, but I want a game that's deeper than those. I know that there's a point where such games may become nearly unplayable (like, when they hit irrational numbers and trigonometry), but even such examples would be quite interesting to see.
Here are some criteria:
A developed magic system: Spells for every (or at least, many) situations, not only for combat purposes. More magic systems? Even better.
Resources and gear bookkeeping: If there's a magic components pouch, let's not just buy one and forget about it, let's keep track of each component and resupply them - if we are even able to do so. If we've got to decide where we place that magic components pouch — on a belt, on a leg (and which one!), or on chest, and it matters — that's even better.
Weapons, armors and such: In D&D, we've got a plethora of weapons that really differentiate in just damage die, crits, damage type and some special features like reach or trip bonuses. There's only so many options before we make "another, more expensive dagger which is similar to the basic one, but looks like an axe". I wonder if there is some system that puts more difference in that - or in armor, for same reasons.
Supplies and survival: Let's be honest, even the most epic characters should have troubles with these in the wilds (at least, without a handy wizard friend). Again, the more management of them there is, the better.
Lots of dice: It's not really required to have lots of dice, but let's say there's no limit to how many the game might need.
Maybe I've forgotten something, but I think this should do.