▁bi owe ap on ▁in ▁order ▁to ▁combat ▁the ▁more ▁dangerous ▁X ▁Par as ites , ▁they ▁are ▁one ▁of ▁the ▁primary ▁plot ▁points ▁in ▁the ▁Met roid ▁games ▁as ▁Sam us ▁either ▁f ights ▁them ▁or ▁tries ▁to ▁prevent ▁the ▁Space ▁Pir ates ▁or ▁Gal actic ▁Federation ▁from ▁har ness ing ▁their ▁powers ▁for ▁evil . ▁ ▁Gal actic ▁Federation ▁Bio - We ap ons ▁Research ▁Project s ▁A ▁small ▁group ▁within ▁the ▁Federation ▁government ▁was ▁responsible ▁for ▁the ▁events ▁in ▁Met roid : ▁Other ▁M ▁and ▁were ▁a ▁behind - the - sc enes ▁ant agon ist ▁in ▁Met roid ▁F usion . ▁Secret ly , ▁this ▁un named ▁group ▁within ▁the ▁Federation ▁planned ▁to ▁bre ed ▁Met roid s ▁and ▁other ▁cre atures , ▁like ▁the ▁Z eb es ians , ▁to ▁be ▁used ▁as ▁bio - we ap ons , ▁employ ing ▁various ▁methods ▁to ▁keep ▁their ▁activities ▁a ▁secret ▁from ▁the ▁rest ▁of ▁gal actic ▁society . ▁In ▁Other ▁M , ▁they ▁are ▁revealed ▁to ▁have ▁used ▁gen etic ▁rem n ants ▁of ▁the ▁baby ▁Met roid ▁obtained ▁off ▁Sam us ' ▁powers uit ▁after ▁her ▁mission ▁on ▁Z eb es ▁to ▁gen et ically ▁engineer ▁a ▁new ▁bre ed ▁of ▁Met roid ▁imm une ▁to ▁the ▁effect ▁of ▁cold ▁temper atures . ▁ ▁However , ▁this ▁project ▁was ▁fo iled ▁by ▁the ▁accident al ▁cl oning ▁of ▁R id ley ▁and ▁the ▁re bell ion ▁of ▁MB , ▁the ▁Mother ▁Bra in - like ▁android ▁created ▁to