How can I increase the number of civs > 22?

[GMO]

In Civ5 the maximum number of civs that can be entered at start-up is 22.

Is there a method to increase that above 22?

I want to play civ5 on the largest possible sized map and I want to use as many civs as possible.

Moderator Action: Moved to C&C.

 

[PawelS]

See here: http://forums.civfanatics.com/showthread.php?t=479822

 

[Gedemon]

and prepare a bottle of liquid nitrogen for your CPU.