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