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