Install http://www.bendarling.net/downloads/prox/prox_10.zip
map proxmap2
Enter arena 4
Step into the teleporter near 264, 1197, -2843
Curse like a filthy pirate!
I tried it with the following engines on Linux (which shouldn't matter, right?):
Native:
-tyrquake WORKS
-SDL Fitzquake freezes (freezes mouse even after, running the engine normally again fixes this)
-FTE (from August 08), same weird movement like DP and Makaqu, I did not manage to get into the teleporter
-Darkplaces does weird things, but if you manage to hit the teleporter, it works. (Tried an one year old build through wine with the same result.)
Wine:
-aguirRe's engine works
-Fitzquake freezes
-Telejano freezes (mini.exe)
-DirectQ, wow, fuck, never run DirectQ in a Wine window. Froze too when I found the teleporter.
-Joequake freezes
-Makaqu does the same crazy shit like Darkplaces and freezes
-Q2K4 freezes
-TQ148 freezes
Now what on earth is going on there and why are so many engines affected? Seems like there is something to fix in engine land.

edit: sdlquake tells me Error: progs.dat has wrong version number (0 should be 6)