It’s March Radness over at WildTangent! Until the end of March you can save 50% off 10 of the site’s most popular casual games (including Virtual Villagers: The Secret City, Three Cards to Midnight, Farm Frenzy 3: American Pie and Murder She Wrote by using the coupon code NIFTY50 at checkout. Sandlot Games is selling the first three Westward games bundled for just $9.99 – an incredible value. Sandlot’s free game of the week is Tradewinds 2. PopCap is still offering its Bejeweled, Zuma and 21 Games bundles. The indie puzzle platformer Saira is $1 off on Steam. This weekend only, the adventure games Sanitorium and The Longest Journey are just $4.99 (50% off) at GOG.com – the discount is taken at checkout.