«Mousetrap» is an anticheat technology developed for Rainbow Six Siege that's intended to detect and punish «spoofers»—that is, players who use mouse and keyboard on their consoles in order to gain a precision advantage over people using controllers. Ubisoft announced the system(opens in new tab) in February and said it was supposed to go live in April, but it may have jumped the gun on that a bit because some Xim Apex users are already reporting that their devices are being detected.
Conventional wisdom dictates that the speed and precision of a mouse makes it inherently superior to controllers when it comes to shooters. Way back in 2010, for instance, Voodoo PC founder Rahul Sood claimed that Microsoft decided against enabling crossplay between PC and Xbox 360 consoles after testing found that "console players got destroyed(opens in new tab)" whenever they faced off against someone on PC. More recently, former Overwatch director Jeff Kaplan said Blizzard "objects to the use of mouse and keyboard on console(opens in new tab)," and «will continue to lobby for first-party console manufacturers to either disallow mouse and keyboard and input conversion devices, OR openly and easily support mouse and keyboard for ALL players.»
In games that officially disallow the use of mouse and keyboard, you can't simply plug them into your console and have at it. You need a device like the Xim Apex(opens in new tab): Essentially an adapter that, for $100 plus shipping, enables Xbox and PlayStation owners to use PC controls for any game. The box works by tricking your console into thinking mouse and keyboard input is a normal controller. It's not exactly cheating, because there's no aimbot or wallhacking going on, but it's not really
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