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