I've just finished (& debugged) implementation of Tag! and Hide&Seek children games for UT2004.
Check them out:
You can find source-code for bots here:
You will have to update your GameBots2004 manually (but both game mods will be working since Pogamut v3.5.0 that is going to be released next week).
Note that we already have visibility-matrices precomputed for ALL UT2004 maps, get them from here: