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