Call of Duty: Modern Warfare III (2023)

Modern Warfare III (2023) Biomass Camo

Zombies · RAM-9Zombies camoOriginal challenge route
Zombies · RAM-9Biomass camo — Call of Duty: Modern Warfare III (2023)

How do you unlock Biomass in Modern Warfare III (2023) Zombies?

Biomass is a Zombies base camo in Modern Warfare III (2023), earned with the MWIII RAM-9. Reach weapon level 10 on the RAM-9; then in Zombies, get 250 Kills with Frost Damage. Once earned, this base camo can be equipped on eligible MWII and MWIII weapons in MWIII.

RequirementReach weapon level 10 on the RAM-9; then in Zombies, get 250 Kills with Frost Damage.
ChallengeIn Zombies, get 250 Kills with Frost Damage
AvailabilityOriginal challenge route. Public sources were reviewed; no live in-game completion test was performed.

Reviewed September 18, 2026. Compiled from official Call of Duty progression and season announcements and the dated public wiki camo and weapon tables. No live in-game verification or current event availability is claimed.

Sources: Call of Duty — MWIII weapon and camo progression · Call of Duty — launch weapon roster and carry forward · Call of Duty — Season 6 final progression and Ranked rewards · Call of Duty Wiki — camo challenge catalog · Call of Duty — Warzone Season 4 Ranked rewards · Call of Duty — Warzone Season 6 Ranked rewards

Event sources: Call of Duty Wiki reference

How do you make progress toward Biomass?

Open the RAM-9 camo panel and confirm the required level before tracking this zombies objective.

Once earned, this base camo can be equipped on eligible MWII and MWIII weapons in MWIII.

Every camo, exact unlocks — see the full Modern Warfare III (2023) camo directory.

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Biomass — common questions

Which weapon and mode unlock Biomass?

Biomass is a Zombies base camo in Modern Warfare III (2023), earned with the MWIII RAM-9. Reach weapon level 10 on the RAM-9; then in Zombies, get 250 Kills with Frost Damage. Once earned, this base camo can be equipped on eligible MWII and MWIII weapons in MWIII.

Does Biomass count toward weapon mastery?

Once earned, this base camo can be equipped on eligible MWII and MWIII weapons in MWIII.

Is Biomass still obtainable?

Original challenge route. Public sources were reviewed; no live in-game completion test was performed.

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