Complete level 5.
Complete level 8.
Complete level 11.
Complete level 10.
Complete level 20.
Complete level 29.
Complete level 30.
Complete any player level.
Read all the contents of the help manual.
Discover the engineer's diary.
Read all the engineer's diaries.
Break a level record after the game is completed.
Write 10 or more valid instruction lines for a single unit.
Use 3 or more signals in a unit's program.
Be a naughty guy.
Check the solutions in the settings.
Listen patiently.
Complete a level without using the mouse.
Complete level 30 with 5 or less instruction lines.
Complete level 17 within 30 seconds.
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