Thank you for the correction, sorry, it has been forever. The link is fantastic, thank you for that as well.
ZeusBots were where it was at, for me.
First few computers were too slow to run Quake effectively, but then I had a Duron 900 (they ran slow AND hot!), bought a 'PC Powerplay' magazine that came with a CD full of quake mods, and a map with 20-40 of ZeusBots worked just fine!
Oh man, PCPowerPlay! I had my q3 mod written up in there in 2000 [1].
[1] https://github.com/Jason2Brownlee/HumanDebrisArchive/blob/ma...
Also, I believe KQP had ZeusBots included (for reference).
[1] https://github.com/Jason2Brownlee/QuakeBotArchive