I could say MORE about the stuff I was running a year or so later when I finally had enough of the rules to really run a game. It was Holmes Basic, and I had photocopies, or actual hand-drawn copies, of parts of the rules from the LBBs that dealt with higher levels (Holmes goes up to level 3). It came with dice, a 'monster and treasure assortment' booklet, and some sheets of geomorphs (I guess some copies came with B1). We did pretty much follow the dungeon exploration rules as-written, give or take. I cannot recall too much about what happened outside of that
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I don't recall every really caring about time. There were not too many instances of multiple groups operating at once, though the players often had several PCs, and there was some rough calculation of "well, that guy is off doing X" or whatnot, but nothing like Gygax's insistence on exact time keeping or whatever. Now and then we agreed that certain characters 'hung out' for a while doing nothing. That was just basically lamp shading some obvious discrepancy in when one PC might be able to join a party vs another (often because some of the wizards needed to spend weeks penning scrolls or whatever).