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