No missable achievements (plus 10 unknown)
Sign in with Steam or Xbox to track your progress, and:
Completed the game.
Completed the game having found all 23 of Sam's journal entries.
Completed the game in less than 1 minute with no Modifiers enabled.
Activated all Commentary Nodes with the Developer Commentary Modifier enabled.
Completed the game having found all 24 journal entries, with no Modifiers enabled, in less than 10 minutes.