No missable achievements (plus 20 unknown)
Sign in with Steam or Xbox to track your progress, and:
It's all downhill from here.
Get Gary back on his feet within two attempts.
See things from someone else's point of view.
This guy always bounces back!
Find a sweet poster for a previous game.
See the violence inherent in the system!
You're getting really good at holding your breath!
Discover the pipe of your dreams.
Defeat the marauding pirates.
Remotely remind a criminal that he's being watched.
Diligently examine the contents of a locked cupboard.
Find the family from a previous game.
You're in two minds on the matter.
That's no way to greet someone new!
Find all five hidden trains.
Our game has commentary! Are we cool yet?
Find and follow the trail of gold.
Find an old friend within the Request-O-Matic.
Create your own 'Knock-Knock' joke.
Find all five hidden targets.