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Casualties Unknown Torch and Light Guide: Crafting Illumination and Surviving Darkness

Craft campfire fuel with bio chem fluid, salvage working lightbulbs from life pods, place flashlights in mouth for hands-free light, and ignite campfires to navigate darkness in Casualties: Unknown.
Craft campfire fuel with bio chem fluid, salvage working lightbulbs from life pods, place flashlights in mouth for hands-free light, and ignite campfires to navigate darkness in Casualties: Unknown.

Overcoming total darkness in Casualties: Unknown requires crafting campfire fuel, salvaging pod batteries, using mouth-held lights, and establishing reliable campfires.

Crafting Campfire Fuel and Bio-Chem Mixtures

The emergency starter flashlight carries an irreplaceable battery that quickly drains, leaving explorers vulnerable to concealed wire fences and sudden chasms. Combining collected wood scraps with bio-chem fluid produces lightweight fuel that ignites campfires to provide ambient light and warmth. Crafting illumination early guarantees reliable lighting while delving past the opening cave layers.

Torch crafting recipe showing wood scraps and bio-chem fluid requirements
Torch crafting recipe showing wood scraps and bio-chem fluid requirements

Salvaging Pod Lightbulbs and Hands-Free Lighting

Smashing the overhead light glass lets players use a tool to extract a working battery and lightbulb — see how to remove shrapnel if shattered glass embeds in your limbs. While salvaged fixtures do not always yield fully functional units, securing these salvage components provides working batteries for portable electronic devices and tools. Furthermore, explorers burdened with bags or two-handed tools can hold a flashlight directly in their mouth — the beginner guide explains using mouth slots for hands-free navigation. This keeps the light beam aligned with the mouse cursor while freeing both hands for digging or combat, and the beam can be toggled on and off straight from the inventory interface.

Salvaging working lightbulb and battery parts from pod ceiling fixture
Salvaging working lightbulb and battery parts from pod ceiling fixture

Igniting Campfires and Scanning Blind Terrain

Establishing rest camps requires igniting a campfire for heat, cooking, and illumination — the food and sleep guide explains brewing fruit juices and sleep recovery. Napping beside a burning fire converts expelled waste into charcoal, creating three pieces of lightweight fuel that easily store in material pouches to spark future fires. When caught without fuel in freezing chambers, players can perform workouts in the health menu to generate bodily warmth. If you lose all illumination while unchipped, slowly sweep your mouse cursor across the dark display: cursor tooltips label whatever terrain block or opening lies beneath, revealing safe footholds and escape shafts through pitch blackness.

Igniting campfire with crafted lightweight fuel to warm up
Igniting campfire with crafted lightweight fuel to warm up

Sources

Sources & References: Official developer updates and community gameplay (Primary Source).