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