Ironically it was the controls Gearbox was bragging about in an interview over a year ago.

The controls are similar to what you've seen in a lot of FPS games, but we've actually put in two control schemes. We sat our designers down and asked them, "What do you think the right way to do this is?" And they went and played every game out there and brainstormed on their own, implemented a couple schemes and tossed them up. And while we think our designers are brilliant, they're also not everybody. So, we took their designs, put them in the game, and started bringing in reams and reams of people to play the game and give us feedback. So we forced the designers to prove that they know what they're talking about.

But that turned out to not be the hard part. If you take the standard Wiimote IR input, if you pick up any shooter right now -- the movement is not great. It's either too crisp or too swimmy. And that's because you get the Wii hardware and you have to write code to make it handle the movement well. We actually have a guy here who did his Master's Thesis in mouse control. And we put in a bunch of stuff to help the cursor drift in the right direction and make it feel crisp but not swimming and try to anticipate what the player is going to do. And on the targeting side we made sure the player is getting good feedback when they're aiming at something they should be shooting at and when they're not.

Someone here at VGChartz said this game was finished last year, and UbiSoft actually sat on it untill now because they wanted to release it alongside the new HD Brothers in Arms game.