□p>□ro□ heart-□oundi□g mis□io□s□t□ outrageous games, t□e challeng□s in "Runn□ng Man 201□□331" k□pt both the cast memb□□s □nd view□rs on the ed□e of th□ir seats.□□het□e□ □t w□s □□race□against time to complete a t□sk or a □a□e of wits to outsmart □h□ir □pponents,□each chal□eng□ brought □ut the competitive□spirit an□□comed□c ti□ing□o□ t□e partici□a□t□.