What are some games that require you to take notes?

Not that surprising, since it's written by some of the same guys.

Morrowind for some of its puzzles and questlines.

I was about to post this game.

...

Writing down bank IPs, bank account numbers. I'm fairly sure that hacking LANs also had IPs you needed to write down to connect to, but it's been a while since I last played Uplink.

Legacy of the Wizard requires either a guide book or graph paper.

For me, it's pretty much any Mon game where you can pass on skills to other monsters through breeding/fusion. I always make big charts detailing what skills I want on what monster and where I can get said skills. Now, if the stat-modifications are also passed on to the monster in question, the lists grow even longer.

Riven. FUCKING Riven, man.

Grimrock 2, sort of. Not really.

Grimrock 1 and 2 actually have a mode that disables automapping so you need to make your own maps

i still have three or four journals sitting around in storage full of nothing but maps on graph paper for dungeon master, eye of the beholder etc

Realmz
Exile I, II & III (The Avernum games are shitty reboots of this godlike trilogy. Play the originals.)