Please cite as: Morys-Carter, W.L. & Vu, A. (2022, January 24). *tTraceTest8*[Computer software]. Pavlovia. https://gitlab.pavlovia.org/vespr/tTraceTest8This version of the Trail Making Test (Reitan, 1955) uses code to create the targets and text, setting the target list from a spreadsheet, which increases flexibility compared with Andrew Vu's original version. It will also run on mobile devices, since it is entirely mouse-based.Reitan, R. M. (1955). The relation of the Trail Making Test to organic brain damage. *Journal of Consulting Psychology*, 19(5), 393-394. https://doi.org/10.1037/h0044509.