They’ll teach you about teamwork, what to do, and most importantly what NOT to do. If you’re in a rush and want a quick-fix to help you beat Dead Ops, these are the must-know tips to get you going straight away. To get you off on the right foot immediately, we have some essential advice you should heed. To successfully overcome its challenge, you’ll have to battle your way through countless waves of zombies and creatures. Thankfully, Treyarch has changed this with Black Ops: Cold War. After originally debuting back in CoD: Black Ops I, Dead Ops has seen limited use, with its only other appearance arriving in BLOPS2.