No missable achievements (plus 12 unknown)
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Have a few drinks, but you might regret it in the morning
Finish the game at least once
Save Charlie Meltzer's life
Give Allen some hope before he goes
While holding Frank's script, get though a performance without flubbing a single line
Convince Frank that you are an artist on your first try
Distract the cat only once
Defeat the Countess with one throw of an improvised lasso
Find the secret extras menu
Keep a clear head, but others might think less of you
Finish the game without asking Joey for a single hint
Finish the game in commentary mode, from the opening menu till the end