Your health is set to 3,000 each time the game checks it, so hits do not kill you. Traps and pits can still kill you; turn on No Pit Fall Deaths for pits.

Falling into a pit or hole does not kill you. The table has it as the Include Pit Falls A and B options of Immortal.

Your current and maximum health and your position. They show once the game has run its health check (Immortal's hook, on from attach).

Sets your base movement speed. 2 is normal, 4 is twice as fast.

The game's sneaking speed. 0.3 is normal and 1 is walking speed.

Enemies do not see or detect you: their detection range and detection meter stay at zero.

Firing a weapon does not use up ammo.

A lit flashlight or lamp is refilled to its maximum whenever its charge drops to 50 or below. The values show the held light source's battery once you have used one.

A flashlight or lamp can be switched on even when its battery is empty. The table calls it Equippable When Empty.

Puts the item with this index from the level's item list into your hands (101 is the crowbar in the table's list). Press the button in a level; the result names the item.

Replaces the light intensity the game uses with this value.

The game's global illumination multiplier. Higher values make levels brighter.

Shows the shape of your held light source so you can change it: size, range (1 sharp, 0.8 average, 0.4 soft, 0 smooth) and beam aperture (1 full, 0.8 focused, 0 wide). Turn it on, then light your light source.

Items you can pick up glow in this colour (red, green and blue from 0 to 1).

A level's challenges count as met when it ends. The table notes it does not complete the collect-all-candy achievement on its own; replaying levels through the challenges should.