Controls are handled through three different methods. There's a virtual stick-and-reticle set-up and another using accelerometer controls, but the third option is most odd – a locked Frenzy Tap setting. Touch Arcade has been playing the game today and says it hasn't figured out how to unlock that third option yet, or what exactly it is, but posits that it may be a tap-to-shoot style of play.
House of the Dead: Overkill - The Lost Reels should be available after iTunes is updated tonight at 11 p.m. ET. The app is already live in the New Zealand territory and priced at $6.50 in New Zealand dollars, which comes out to about $5.50 here in the US.