Call of Duty: Modern Warfare II (2022)

Modern Warfare II (2022) Poison Rivers Camo

M13C · Level 5Multiplayer camoWeapon challenge
M13C · Level 5Poison Rivers camo — Call of Duty: Modern Warfare II (2022)

How do you unlock Poison Rivers in MWII Multiplayer?

Poison Rivers is a Woodland base camo in Modern Warfare II (2022). Reach weapon level 5 on the M13C, then complete 20 kills while crouched with it. Once earned, you can apply this base pattern to other compatible weapons; its challenge is completed with the M13C, not repeated separately on every gun.

RequirementReach weapon level 5 on the M13C, then complete 20 kills while crouched with it.
ChallengeM13C: 20 kills while crouched.
AvailabilityDocumented MWII weapon challenge. Current online progression was not tested in-game.

Reviewed September 18, 2026. Compiled from official progression/reward announcements and public weapon/camo references on September 18, 2026. Reference tables were cross-checked where available. Not verified in a live game; expired events and Battle Pass routes are identified as historical.

Sources: Call of Duty — MWII launch progression and mastery · Emil Carlsson — Orion challenge reference (MIT) · Call of Duty Wiki — MWII camo catalogue · GamesAtlas — MWII weapon access catalogue · Activision Support — Season 06 rewards · WZHUB — independent MWII challenge comparison

Event sources: Emil Carlsson — Orion challenge reference (MIT) · Call of Duty Wiki — MWII camo catalogue · WZHUB — MWII Orion challenge reference — event scope checked 2026-09-18.

How do you make progress toward Poison Rivers?

Stay crouched for the elimination rather than standing before the finishing shot.

Poison Rivers contributes to the M13C’s base-camo completion. Finishing that weapon’s full base set opens its Gold challenge; earning this single pattern does not award Gold.

Every camo, exact unlocks — see the full Modern Warfare II (2022) camo directory.

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Poison Rivers — common questions

Which weapon unlocks Poison Rivers in Modern Warfare II (2022)?

Poison Rivers is a Woodland base camo in Modern Warfare II (2022). Reach weapon level 5 on the M13C, then complete 20 kills while crouched with it. Once earned, you can apply this base pattern to other compatible weapons; its challenge is completed with the M13C, not repeated separately on every gun.

How is Poison Rivers progress tracked?

Poison Rivers contributes to the M13C’s base-camo completion. Finishing that weapon’s full base set opens its Gold challenge; earning this single pattern does not award Gold.

Is Poison Rivers still obtainable?

Documented MWII weapon challenge. Current online progression was not tested in-game.

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