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