Start a new game and pick the skill level "Bring 'em on." Roam around the level, killing everything you encounter. Wolfenstein 3D is ported by the same company which ported DOOM - similarities between Wolfenstein 3D's and DOOM's achievements are obvious.
This game was created by id Software back in 1992 and was one of the very first FPS which laid the foundation for all FPS which have come out since.
Do cheat codes disable achievements?: No cheats Minimum number of playthroughs needed: 1 Approximate amount of time to 200 : 4-5 hours