- ~ (tilde) or NUM [-] (numpad minus): Panic at the Kronos! If someone walks in on your private Kronos times, press one of these keys to immediately hide the game to your system tray as a blue information icon. Right-click the icon to restore the game, or left-click it to end the game without reopening it.
- ESC: Opens the menu.
- F11: Changes to full screen and back to windowed mode. The game looks best at 1920×1080 full screen.