Restore your first mechanism.
Restore every mechanism on The Watchmaker's Bench.
Restore every mechanism in The Clock Tower.
Restore every mechanism in The Boiler Room.
Restore every mechanism in The Observatory.
Restore every mechanism in The Grand Orrery.
Earn three stars on every mechanism on The Watchmaker's Bench.
Earn three stars on every mechanism in The Clock Tower.
Earn three stars on every mechanism in The Boiler Room.
Earn three stars on every mechanism in The Observatory.
Earn three stars on every mechanism in The Grand Orrery.
Earn 50 stars.
Earn 150 stars.
Earn all 300 stars.
Clear two lines of jewels with a single turn.
Set off a chain: a revealed jewel completes another line.
Set off a chain three clears long.
Solve 10 mechanisms within par without using a hint.
Solve a mechanism with a par of 9 or more within par, without undoing or restarting.
Clear a bolted jewel and free its gears.