Usually, a selection of Multiplayer maps and at least one Zombies map.
Most modern titles are now accessed through Call of Duty HQ , which you can download for free to then install specific trial packs. 3. Subscription Services (Xbox & PC) Call of Duty Black Ops Free Download (Incl. All...
Search your platform's store (Steam, PlayStation Store, or Xbox Store) for "Black Ops Free Trial" during major holidays or new season launches. Usually, a selection of Multiplayer maps and at