Nintendo SwitchPCPlayStation+1 Modern Warfare 4 Multiplayer Beginner’s Guide and Tips: Movement, Maps, and What to Know Before Launch Modern Warfare 4 multiplayer launches with six new 6v6 maps, a redesigned Create-a-Class menu, and three new movement mechanics (pipe climbs, mantle slide, supine slide). Here's what to know before you queue up on October 23. Kerwin Stewart · 2 hours ago · 8 min read