Endemol USA‘s summer games continue with another sale of an original game show to a broadcast network. Fox has bought the Andy Richter-hosted Step Up, in which contestants can win a stash of cash if they step on the right square — while avoiding a misstep that can taketh away. The higher a player goes on the pyramid, the greater the risk and the reward. No word yet on Fox’s plans for Step Up, which is in production. Endemol last week sold Wall Of Fame to NBC.