Here is the full list of all 49 Agents of Mayhem achievements. It takes around 40-50 hours to unlock all of the achievements on Windows.
Complete all Operations on Difficulty Level 7+.
Complete 15 Connected Contracts.
Use mission replay to replay and complete 3 missions.
Complete "Operation: Damocles."
Complete "Operation: Madhouse."
Collect all agent vehicles.
Complete "Operation: Red Queen."
Unlock and Complete all standard VR room training programs.
Complete "Operation: Machine Man."
Collect all collectible Shards in game.
Fully deck out Carnage a Trois in their signature outfits.
Complete all agent personal missions and get all agents to level 20.
Fully deck out the Bombshells in their signature outfits.
Fully deck out Firing Squad in their signature outfits.
Complete "Operation: Star Power."
Complete 30 MAYHEM & Agent Contracts.
Complete the Moscow Global Offensive.
Destroy a Golem in the open world.
Fully deck out Franchise Force in their signature outfits.
Destroy a Hate Machine Emplacement.
Destroy a Gravity Dominator.
Fully upgrade all areas of the ARK.
Destroy a Dark Matter Fracking Station.
Run over Legion 10 times.
Complete a 360 in the air while in a vehicle.
Unlock 5 Warp Points through open world gameplay.
Reach level 40 on any agent
Complete "Operation: Heaven Sent."
Enter a secret room, inside a secret room, inside a LEGION lair.
Enter a secret room inside a LEGION lair.
Get 15 "All Perfect" hacks.
Take over each type of emplacement location.
Destroy a Ice Barrage Emplacement.
Deploy your first agent to any LEGION region.
Hit 10 jumps in the city.
Build your first vehicle through blueprints.
Complete LEGION Alert Level by defeating the LEGION Captain.
Complete a LEGION lair for the first time in Seoul.
Equip an Upgrade Core to any agent.
Swap out an agent's weapon with a new look.
Use Gremlin Tech for the first time.
Jump agent vehicle 50 meters in one jump.
Take over an Outpost from LEGION.
Destroy a Drop Pod Launcher Emplacement.
Find and open a large loot chest.
Warp into the ARK for the first time.
Call in an agent vehicle for the first time.
Complete "Operation: Spinoff."
Equip your first gadget onto any agent.