Oddworld: Abe's Oddysee

The game centers on the titular Abe, a Mudokon slave at the RuptureFarms meat processing factory. When he discovers that he and his fellow Mudokons are to be slaughtered, he decides to escape and liberate as many enslaved Mudokons as he can. The player assumes the role of Abe as he attempts a perilous quest to emancipate his downtrodden people. (Wikipedia)