A top right window shows the date of the current version of DDLab, the current graphics setting and mouse status (found or not found), and a reminder that the left mouse button is equivalent to ``return``, and the right mouse button is equivalent to ``q'' for backtracking through prompts.
DDLab, 6 June 1995, graphics=640x480, randseed=15687 (randseed changes on each run, see #5.4)
mouse found: left button=ret, right button=``q``=backtrack