X01 is the sort of DMZ location that punishes a rushed squad. From the outside, it looks manageable. Once you are inside, every tunnel seems to bend into another one, and a fight in the wrong corridor can leave the whole team trapped. Players who use CoD MW4 Bot Lobbies for warm-up practice may find the route easier to learn, but the real test is making sensible decisions when the facility is busy. Before Season 1 arrives on November 6, build a simple plan for entry, movement, objectives and extraction. You do not need a fancy callout system. You do need everyone to know where to stand and when to leave.

Give Every Player a Tunnel Job

Do not let four people wander into X01 in a loose line. Pick a lead player to clear corners, a rear guard to watch the route behind you, and a utility player to carry mission items, smoke and stun equipment. The fourth player can float between the front and back, filling gaps when someone is reloading or reviving a teammate. It sounds basic, but tunnels make basic discipline matter. Mark a few rally points as you move. A doorway, stairwell or storage room can work. Use those names in voice chat instead of saying "left" or "right", because those directions become useless after the squad turns around.

Plan the Exit Before the Deep Push

X01 extractions can become unsafe as the facility changes, so do not treat the nearest exit as a promise. Before heading towards the deepest objective, choose a second extraction point outside the Black Site. Everyone should know its name and the direction to reach it. If the first route shuts, call the alternative straight away. That small habit stops the confused running that often follows a closing extraction. Check the match timer, gas movement and remaining armour before picking up the final item. If the timing looks poor, leave with what you have. A nearly finished objective is not worth getting caught in a dead-end passage.

Pack for Corridors, Not Open Ground

Your loadout should reflect the building. Carry a dependable mid-range weapon for longer tunnel angles and a close-range backup for doors, stairs and sudden pushes. Dual plates, a self-revive and enough smoke or stun equipment should be ready before entry. Do not wait until someone is down to discover the team has no utility left. Air-focused killstreaks lose much of their value underground, while simple equipment can buy the few seconds needed to cross a dangerous hall. Check specialised keys and access items in the pre-match bag screen. Finding out that a key is missing after the team reaches X01 is a painful way to waste the run.

Use the First Run to Learn the Shape

On launch day, make the first attempt a quiet route rather than a contest for every room. Spend fifteen minutes learning door chains, ladders, stairwells and likely fallback points. You will soon notice that the same corners create trouble because players pause there to reload or sort their bags. Move through those areas quickly, then stop somewhere with more than one escape path. Keep a short note of the door order and the safest return route. After one clean run, add mission turn-ins and supply stops around it. When another squad appears, do not chase every sound. Take the objective, regroup at the nearest rally point and leave before extra teams arrive. Keep your closing routine simple: confirm completed tasks, check your items, decide the next objective, then step away from the menu. For players who want to prepare their loadout and supplies ahead of time, buy Modern Warfare 4 DMZ Items can help keep the planned X01 run focused on movement and extraction rather than last-minute shopping.