Not yet, but this is intended to grow into such a list (if any interest is shown). In each example, internal should be replaced with the IP number of the machine playing the game.
Asheron's Call
nat port udp internal :65000 65000
Manually change the port number within the game to 65000. If you have got a number of machines that you wish to play on assign a unique port number for each (i.e. 65001, 65002, etc) and add a nat port line for each one.
Half Life
nat port udp internal:27005 27015
PCAnywhere 8.0
nat port udp internal:5632 5632
nat port tcp internal:5631 5631
Quake
nat port udp internal:6112 6112
Alternatively, you may want to take a look at www.battle.net for Quake proxy support.
Quake 2
nat port udp internal:27901 27910
nat port udp internal:60021 60021
nat port udp internal:60040 60040
Red Alert
nat port udp internal:8675 8675
nat port udp internal:5009 5009