Clue 1: Get a matching pair of socks from Shusan OR click drop all socks
Clue 2: Buy anything from Kwazijuko
Clue 3: Complete 2 levels of reunite from different episodes
Clue 4: View plushies in your attic when you have 25+
Clue 5: Complete a computer repair quest
Clue 6: Delete any memory card
Clue 7: Play gold mining 3 times, play mineral match 3 times, view the mining page and refresh until you get the egg
Clue 8: Random when winning battles against either sumo Sally, knutt Knight, or talon quests
Clue 9: play shimmer 3 times, then view the proud costume page, refresh until you get the egg
Clue 10: Buy any scratch card and scratch it
Clue 11: Sell shares at the stock market
Clue 12: Play Feliz Frenzy 3 times > View Feliz Frenzy game page > Random while completing Queen Bee quest
Clue 13: Use bubble pit when the MST minutes match (e.g. :11, :22, :33, :44, :55)
Clue 14: Play colours, then check the costume boutique prize list
Clue 15: Read a magazine to your pet
Clue 16: Buy an item from rapunzel's tower
Clue 17: Use simerian statue and win a stat
Clue 18: Start a business studies course at university
Clue 19: play pixie dice and get odd number
Clue 20: buy from fake pirate ship
Clue 21: Play with and break a red balloon and yellow balloon
Clue 22: Play sword in the stone
Clue 23: play donut fall 3 times and then feed your pet a donut
Clue 24: Play spooks busters or Hump racing (apparently there's others too)
Clue 25: Visit the clock tower
Clue 26: Empty your shop till and collect interest from any bank
Clue 27: Play jackpot pyramid then complete a level of any pyramid
Clue 28: Send a pet to the hotel for 100 days
Clue 29: Donate a gourmet food to the pot of gold
Clue 30: Donate 10% of your on hand MP to giveaways. People have recommended putting most of your MP into your bank for this one. I donated 200k MP after putting almost all my MP in the bank and it worked.
Clue 31. Recycle magazine or piece of clothing
Clue 32. Visit the Solitaire minipet page.