DOS version: Press [Crtl][F4] to start the monk mode. Now you can use the keys
 [T], [Y], [U] or [G], [H], [J] or [B], [N], [M] to control the monk. Press
 [TAB] to use the monk.

 Windows version: While in loderunner menu click on the upper left corner spot
 and type in CTHULU (v1.2) or ZOG (v1.3). If the commands were successful you
 will hear a sound. Now you can use the keys [T], [Y], [U] or [G], [H], [J] or
 [B], [N], [M] to control the monk. Press [TAB] to use the monk.