the real answer
abe is blue when he's around other mudokons so the gameplayer knows who's who. (this is most in the rupture farms and in the secret areas)
but if you noticed abe is green in the other environments like scrabania, paramonia or monsaic temple. well, yeah, that's in abe's oddysee, i don't rememeber abe being green in abe's exoddus and yea ^^
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