Up, Down, Left, Right is an endless action puzzler – out now for Android and coming soon for iOS
Tuesday 10th June 2014: The rules could not be any more straightforward: tap Up, Down, Left, Right in time to a simple beat. But these instructions deliver a surprisingly complicated action puzzler which has been described by Guardian writer Steven Poole as “a rhythm-action Stroop Test.” A Stroop Test is often used in clinical investigation …