Here is the full list of all 12 Red Johnson's Chronicles - there are 1+2 - there are Steam Special Edition achievements.
Complete the game with 100% progress in record time
Kill every target without wasting a bullet
Complete the game with Rank A
Complete the game with 100% progress
Win every riddle in one try
Complete the game
Win every QTE in one try
Open every mailbox
Solve every riddle
Win every QTE
Solve the first riddle
Win your first QTE