You can move in darkness, but almost everything is hidden. A sonar pulse reveals the facility as the wave passes through it. Hunters hear the pulse and investigate its origin.
MOVEWASD / arrow keys, or drag the bottom-left touch joystick.
PULSESpace, mouse click, or tap the large PULSE button on the bottom-right.
READ THE COLOURSRed Stalkers, orange Rushers, violet Wraiths, green Trackers and yellow Screamers behave differently.