Get 50% off everything at Big Fish Games until March 17 when you use coupon code LUCKOFTHEIRISH. Download Top Chef for free today only at Game Giveaway of the Day. Over at Steam, you can grab World of Goo for $4.99. Get Nanny Mania for 75% off at WildTangent with the coupon code MARCH75. RealArcade is offering 50% off The Magician’s Handbook – Cursed Valley until March 18. Thanks to Gamezebo users erainy, Timebomb007 and sukibabe for the tips!