Hi all found this for Freeze tag - it adds in game score stats for defrosting, you can also set so it adds kills for defrosting (not sure about that part) but its optional.
aaaa.gamingdeluxe.net/AAAA/downloads/freezetagsmeltstats.zip (0)
I have stuck it on the AAAA match server 91.192.210.152:12211
not had chance to test it would need 3 on to see it working