Here is the full list of all 45 Catch a Falling Star achievements. It takes around 8-10 hours to unlock all of the achievements on Windows.
Unlock the Under-the-sea theme
Score your first 1000 points
Purchase 10 new basket designs
Score your first 500 points
Deposit your 1000th star
Spend 1000 StarCoins
Catch/use 10 "increase basket speed" power-ups
Buy all the increases in space for your basket
Spend 500 StarCoins
Purchase a new basket design
Catch 100 StarCoins
Use an in-game power-up
Deposit your 100th star
Catch/use a "less ice" power-up
Bump 10 objects with your basket
Catch a "lose a life" penalty
Catch/use an "increase basket speed" power-up
Bump 5 ice with the side of your basket, giving you two StarCoins - don't spend it all in one place ok!
Bump a star off the side of the screen, saving your life
Catch a StarCoin
Catch 10 StarCoins
Bump a star with the side of your basket
Score your first 100 poitns
Deposit a basket with at least 3 ice
Catch/use a "no wind" power-up
Deposit a basket that hasn't been completely filled with stars
Deposit your 10th star
Bump ice with the side of your basket
Deposit your first star
Deposit a basket full of stars
Purchase an in-game power-up with Starcoins
Make your first purchase with StarCoins
Buy an increase in space for your basket
Start the game and behold how awesome the menu is!
Catch 10 "lose a life" penalties
Catch/use 50 "increase basket speed" power-ups
Catch/use 100 "increase basket speed" power-ups
Save 2500 StarCoins
Purchase all the new basket designs
Unlock the Japan theme
Score your first 2000 points
Score your first 3000 points
Score your first 4000 points
Score your first 4500 points
Score your first 5000 points. NICE!!