Chris Buffa (Modojo): If you make a habit of playing the best free games on iOS and Android, odds are good you already stumbled across What's the Word? 4 Pics 1 Word, LOTUM's imitation of RedSpell's equally satisfying What's the Word? Each puzzle presents you with four photographs, and it's your job to figure out the one word these images have in common. It is potentially tricky business, and if you're stuck, we went ahead and solved a bunch of puzzles. You know, in case you'd rather earn gold coins sooner than later.