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