Acquired a Gadget part

Set all settings sliders in the menu to all the available numbers.

Complete The Stanley Parable in under 4 minutes 22 seconds (not including load times)

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No seriously, we disabled it.

Quit the game and then start it again.

Acquire all other badges

Find all of the castle explorer's notes

Say everything that needs to be said

Solve the sundial puzzle

Find all the Guardian banners in the castle

Insult Shroomi