Here is the full list of all 14 Cryptographer achievements.
Finish the first level.
Finish all levels.
Earn 5 gold times.
Earn 10 gold times.
Earn 15 gold times.
Earn 20 gold times.
Earn 25 gold times.
Earn 30 gold times.
Earn 35 gold times.
Earn 40 gold times.
Earn 45 gold times.
Earn 50 gold times. Only a true master can attain this level of perfection.
Get squished by a wall.
Get torched!