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