Non-Palindromic Polyglot Boggle
19x2 = 38, 2 programs, Score: 26 19.5 19

Here is the board:

-:\~{.,&gt;&lt;1\b_W%}}g}
1Wq{)_2W{$ase.=,do*


This contains the following programs:

CJam (27 bytes)

Wq~{{)_,2&gt;W&lt;{1$\b_W%=},}g}*


Test it here.

These are the characters of the board used for this code:

   ~{ ,&gt;&lt;1\b_W%}}g}
 Wq{)_2W{$    =,  *


GolfScript (34 bytes)

-1:W\~{{).,2&gt;W&lt;{1$\base.W%=},}do}*


Test it here.

These are the characters of the board used for this code:

-:\~{.,&gt;&lt;1\b W%}} }
1W {) 2W{$ase.=,do*