When you create a new character in Fallout2 spend the char points
and save the character. The get the newly created ".gcd" file and open
it with a hexeditor. Change the following lines to "0A" (for 10 - maximum possible here):
Offset - Byteaddress - Type
0 - 8 - ST
10 - 2 - PE
10 - 6 - EN
10 - 10 - CH
20 - 4 - IN
20 - 8 - AG
30 - 2 - LK
Voila, all you characteristics are on 10 and that increases the skills as well.