If your goal is simple—push Prestige and max weapons fast—you don't want vague slogans; you want a clean route that works from day one. Below is a field-tested plan that compares Co‑op Campaign, Multiplayer, and Zombies, explains why each mode matters, and shows how to chain challenges and double XP for a compounding effect. Here's how to turn your playtime into predictable levels.

• Stack XP Streams, Not Just Kills
• Co‑op Campaign (Endgame Farm) — High XP, Low Depth
• Multiplayer — Small Maps, Objective Touches, Party Buffer
• Zombies — The Easiest Weapon Turbo (Rampage Inducer)
• Challenges, Prestige, and Token Timing
• What to target
• Mode-by-Mode Use Cases (Quick Picks)
• Actionable Loadout and Routing Tips
• FAQ
• Week-One Route You Can Repeat

↖ Stack XP Streams, Not Just Kills

You rank up fastest when you layer three things at once: rapid engagements, completed challenges, and weapon kill volume. The game now reduces weapon XP requirements by roughly 25%, which means the same playtime converts into more levels—especially if you trigger Bo7 Double XP tokens at the right moments. If you find your Bot lobbies are sweaty or your gun is weak at early tiers, then swap modes to where that gun thrives, grab 10–15 attachments quickly, and return to your preferred mode stronger.

Key takeaway: level where your current gun is strongest, then move back to your main mode once attachments unlock.

↖ Co‑op Campaign (Endgame Farm) — High XP, Low Depth

The campaign gives XP across the 11 missions and unlocks an endgame space where you can farm both operator and weapon XP.

Why it works

- Not only do you earn XP while clearing the story, you also access an endgame loop where density and pacing favor steady kills.

- In practice, this means you can overtake Multiplayer-only friends early; in my first 3 hours speed-running to endgame, I landed at Prestige 1, mid‑30s, ahead or on par with streamers grinding MP.

Who should use it

- If you want mindless, reliable XP without map votes or lobby variance.

- If your weapon is awful at base level: power-level to 10–15 attachments here in roughly 40 minutes, then transition.

How to run it

- Beat the 11 missions quickly; skip collectables on the first pass.

- Endgame loop: prioritize high-density encounters, keep weapon you're leveling in hand for the final hit.

- Route challenges intentionally: track 2–3 camo or calling card lines that fit your playstyle.

Risks and trade-offs

- The endgame currently feels shallow and janky; AI isn't great.

- Fun factor can dip—use it as a tool, not a home.

↖ Multiplayer — Small Maps, Objective Touches, Party Buffer

MP is still the king for operator XP if you can secure constant engagements on tight maps.

Why it works

- Smaller maps compress travel time; more fights per minute equals more XP.

- Playing the objective (especially Kill Confirmed tags) stacks match bonus and challenge ticks.

Map and mode picks

- Vote small every time: Shipment/Nuketown–style plays outperform wide lanes.

- Modes: Kill Confirmed for tag sweeps; Hardpoint/Dom for predictable rotations; TDM only if you're fragging hard.

Practical setup

- Party up: higher win rate → better match bonuses and UAV chains.

- UAV spam matters: more info → more multi-kills → more challenge clear.

- If you find your KD tanks on a certain gun, then pivot that gun to Campaign/Zombies for attachments, and return once it stabilizes.

Weapon XP reality

- Challenge XP from camos/calling cards doesn't apply to weapon levels; kills do. That means kill volume with the target gun is non-negotiable.

- Double XP tokens: save for when you're on small maps and flowing—don't burn them during map-vote droughts or learning new guns.

↖ Zombies — The Easiest Weapon Turbo (Rampage Inducer)

Zombies is the most forgiving environment for early weapon leveling, thanks to controllable pacing and dense spawns.

Why it works

- Rampage Inducer accelerates rounds 1–20, turning early-game into a rapid-fire XP lane.

- This mode shines when your gun is underpowered: attachments come online quickly, and you aren't punished by SBMM.

How to run it

- Start with Rampage Inducer on; if you feel overwhelmed after 20, turn it off, stabilize, then ramp again when comfy.

- Focus on headshots and controlled trains; line up multi-kills to progress camo tiers passively.

- Gold camo routes often fit into 45–60 minutes per weapon if you maintain kills-per-minute.

Extra notes

- Challenges here are plentiful; stack operator XP while pushing weapon kills.

- If you plan for Warzone, route your meta candidates through Zombies first to unlock key attachments fast.

↖ Challenges, Prestige, and Token Timing

Challenges are your hidden multiplier—just know what they do and don't do.

↖ What to target

- Track specific calling cards and camo lines that fit your session. If you discover a challenge takes you off your route, then swap it out—avoid challenge FOMO.

- Remember: calling card/camo XP boosts your profile levels, but weapon XP only rises from kills with that weapon.

Prestige and columns

- Once you hit level 55, if you aren't Prestiging, you can ignore first-column grinds tied to base leveling.

- Weapon column priorities: lock in attachments on the guns you care about first, then min-max the rest with double XP windows.

Token timing rules

- Pop Double XP only when: small maps are in rotation, you're warmed up, and your route is set (challenges selected, gun ready).

- Don't activate tokens right before party swaps, long menus, or map votes.

↖ Mode-by-Mode Use Cases (Quick Picks)

- You're rusty or testing a new gun: Zombies 1–20 with Rampage → attachments online → switch to MP small maps.

- You want pure level acceleration with minimal thought: Co‑op Campaign endgame loop.

- You're confident mechanically and want operator XP fast: MP small maps + Kill Confirmed tag runs + party UAV chain.

↖ Actionable Loadout and Routing Tips

- Build for recoil and ADS first on brand-new guns; damage ranges matter later.

- Abuse UAV and information tools; knowledge snowballs into streaks and challenges.

- If your session goal is finish 2 weapon tiers, then lock your mode for 60–90 minutes and avoid distractions like mid-run blueprint swaps.

↖ FAQ

Q1: Do camo/calling card challenges level my weapons?

- No. They boost your profile/operator XP. Weapon XP comes from kills with that weapon.

Q2: I'm stuck at base gun levels and MP feels awful. What now?

- Pivot to Zombies or Campaign endgame for 30–40 minutes to unlock 10–15 attachments, then return to MP when the gun stabilizes.

Q3: Which MP mode is best for XP?

- Kill Confirmed on small maps is consistently great: tags add objective XP, and fights are nonstop.

Q4: When should I use Double XP tokens?

- Use them only when you're warm, on small maps, and committed to a single weapon route. Pause during map votes or mode switches.

Q5: Is the Campaign endgame worth it for long sessions?

- It's efficient but shallow. Treat it as an XP tool; rotate out if you're bored to prevent burnout.

↖ Week-One Route You Can Repeat

- If your new weapon feels weak, start in Zombies with Rampage Inducer for fast attachments.

- Once stable, jump into Multiplayer on the smallest maps available; pursue Kill Confirmed tags and 2–3 aligned challenges.

- When you need a chilled grind or lobby luck is bad, run the Campaign endgame loop to bank operator XP.

- Time your Double XP with hot streaks, not with menus or experimentation.

Follow this loop and your Prestige climbs while your weapons hit meta-ready faster, without wasting hours on the wrong mode at the wrong time.