Here is the full list of all 14 Gizmos: Steampunk Nonograms achievements.
You've collected all the Bronze medals!
You've collected all the Silver medals!
You've collected all the Gold medals!
You've made par in all the puzzles
You've collected all the rewards
Game completed!
You've solved all the puzzles
You've played for 20 hours
You've played for ten hours
You've unlocked 1,000 cells in a row with no misclicks
You've played for five hours
You've unlocked 500 cells in a row with no misclicks
You solved a puzzle without using the right mouse button
You've unlocked 100 cells in a row with no misclicks