Found this, but I'm sure any N-back will work: http://brainscale.net/dual-n-back http://brainscale.net/dual-n-back Also, if you feel like working off of someo

Found this, but I'm sure any N-back will work: http://brainscale.net/dual-n-back http://brainscale.net/dual-n-back Also, if you feel like working off of someone else's source: https://sourceforge.net/projects/brainworkshop/files/brainworkshop/ https://sourceforge.net/projects/brainworkshop/files/brainwo... Though it seems relatively simple to design.