Full list of all 54 DOOM achievements. It takes around 20-25 hours to unlock all of the achievements in the base game on Windows.
The base game contains 36 achievements, and there are 3 DLC packs containing 18 achievements.
Kill 10 enemies with the Harvester demon in Multiplayer
Kill 10 enemies with the EMG Mark V Pistol in Multiplayer
Kill 5 enemies with the Kinetic Mine in Multiplayer
Use a taunt from "Unto the Evil" DLC during a Multiplayer Match
Play a Multiplayer Match with a piece of Robotic Armor equipped
Detect 20 enemies using the Threat Pulse in Multiplayer
Kill 10 enemies with the Cacodemon in Multiplayer
Kill 10 enemies with the Reaper in Multiplayer
Play a Multiplayer Match with a piece of Cyber-Demonic armor equipped
Use a taunt from the "Hell Followed" DLC during a Multiplayer Match
Earn every medal type in Arcade Mode in one run
Earn a gold rating in Arcade Mode
Collect 20 bonus lives or relics in Arcade Mode
Perform a MultiKill with the Spectre demon in Multiplayer
Kill 10 enemies with the Spectre demon in Multiplayer
Kill 10 enemies with the Grenade Launcher in Multiplayer
Play a Multiplayer Match with a piece of Evil Cultist armor equipped
Use a taunt from the "Bloodfall" DLC during a Multiplayer Match