A comprehensive guide to every mission, objective, and reward in the second act of Call of Duty: Modern Warfare 3 Zombies, titled Mother of Invention.

Upon completing the initial story mission, Operation Deadbolt, in Act 1 of Modern Warfare 3 – Zombies, players unlock the second act, Mother of Invention. This act involves setting up Dr. Jansen’s lab, battling Zakhaev’s Terminus Outcomes, and pursuing various contracts, upgrades, and kills. Here’s a detailed breakdown of each mission, its objectives, and the associated rewards in Act 2.
Tier 1 Mission:

- Mission: Same Day Delivery
- Objectives:
- Complete a Cargo Delivery Contract
- Destroy the enemy helicopter chasing the Cargo Delivery Vehicle
- Destroy the Cargo Delivery Vehicle after contract completion
- Rewards:
- Refined Aetherium Crystal Acquisition
- 3000 XP
Tier 2 Missions:

- Mission: Safe Cracker
- Objectives:
- Complete a Raid Weapon Stash Contract
- Kill 30 Zombies attracted by the safe drill
- Do not allow the safe drill to pause
- Rewards:
- Quick Revive Can Acquisition
- 2000 XP
- Objectives:
- Mission: Ascension
- Objectives:
- Use a Redeploy Drone to free fall or parachute to a different Threat Zone
- Rewards:
- Pistol Partner Emblem
- 2000 XP
- Objectives:
- Mission: Merc Cleanup
- Objectives:
- Kill 20 Mercenaries in Merc Camps
- Loot 3 Merc Camp caches
- Rewards:
- Deadshot Daiquiri Can Acquisition
- 2000 XP
- Objectives:
- Mission: Reaper
- Objectives:
- Collect 15 items from Harvester Orbs
- Destroy 3 Harvester Orbs
- Rewards:
- PD Flopper Can Acquisition
- 2000 XP
- Objectives:
- Mission: Guardian Angel
- Objectives:
- Heal Operators 20 times with Healing Aura field upgrade
- Rewards:
- Epic Aether Tool Acquisition
- 2000 XP
- Objectives:
- Mission: Shocked
- Objectives:
- Stun 25 Zombies with Dead Wire Ammo Mod
- Stun 5 Special Zombies with Dead Wire Ammo Mod
- Rewards:
- Madness Sticker
- 2000 XP
- Objectives:
Tier 3 Missions:

- Mission: More Firepower
- Objectives:
- Pack-a-Punch a weapon to Level II
- Kill 75 Zombies with a Level II Pack-a-Punched weapon
- Kill a Special Zombie with a Level II Pack-a-Punched weapon
- Rewards:
- Survivors Calling Card
- 2000 XP
- Objectives:
- Mission: Bounty Hunter
- Objectives:
- Complete a Big Bounty Contract for a Mangler
- Complete a Big Bounty Contract for a Disciple
- Complete a Big Bounty Contract for a Mimic
- Rewards:
- Dead Wire Ammo Mod Acquisition
- 2000 XP
- Objectives:
- Mission: Essence of Aether
- Objectives:
- Collect the Essence Sample from specified locations
- Rewards:
- Speed Cola Can Acquisition
- 2000 XP
- Objectives:
Tier 4 Mission:

- Mission: Heist
- Objectives:
- Complete an Aether Extractor Contract
- Collect a filled Essence Container from an Aether Extractor
- Rewards:
- Cranial Adjustment Charm
- 3000 XP
Tier 5 Missions:

- Mission: Mind Control
- Objectives:
- Turn 20 Zombies with Brain Rot Ammo Mod
- Allow 25 Zombies to be killed by turned Zombies
- Rewards:
- Elemental Pop Can Acquisition
- 2500 XP
- Objectives:
- Mission: Frost Bite
- Objectives:
- Freeze 50 Zombies with Frost Blast Field Upgrade
- Freeze 5 Mimics with Frost Blast Field Upgrade
- Rewards:
- Double XP Token Consumable
- 2500 XP
- Objectives:
- Mission: Exterminator
- Objectives:
- Complete a Spore Control Contract
- Complete the Contract in under 2 minutes and 30 seconds
- Obtain Rare Aether Tool Schematic and Exfil
- Rewards:
- Bad Biker Calling Card
- 2500 XP
- Objectives:
Story Mission:

- Mission: Shepherd
- Objectives:
- Deploy to Neutralizer Test Site
- Successfully test the Neutralizer
- Rewards:
- Warmageddon Vehicle Skin
- 5000 XP




