Move left or right taken too literally

DAY 190/365 CAN I DO IT??? Yes, its another rare video without the 'Roblox but' and im running out of ideas so this one is reasonable. I was told to move left or right but i didnt think it would be THIS game. Anyways technically im only moving left or right. because i pressed a and d. This one is so good its a challenge! Game is PM 606. #365dayschallenge #all #gaming #606 #challenge #left4dead2 #right