Casualties: Unknown Beginner Survival Guide

What should you do in the first 30 seconds?

Immediately salvage at least 2 pieces of Plastic from your landing crash pod before stepping out into the cavern.

Landing Pod Spawn
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Extract 2× Plastic ──► Craft Canteen (Stores 1.0L clean water)
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Toggle Flashlight OFF (Conserve 45s emergency battery)
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Gather 4× Dry Foliage ──► Craft Foliage Bag (Expands storage)

Without a dedicated container, you cannot store clean groundwater or biochem fluids. Review our Essential Bags and Containers Guide to understand why early storage capacity dictates your survival speed. Walking away from the spawn site without these plastic fragments forces you to drink directly from unfiltered puddles, which almost always triggers acute bacterial infections detailed in our Medical Trauma and Triage Guide.

How do you craft and manage your emergency Canteen?

Craft your Canteen inside the primitive survival tab as soon as you step onto the cavern floor. Once crafted, approach any standing freshwater pool in Layer 1 (Gravel Lands) and interact to fill it to capacity (1.0 Liter).

• Never drink unboiled red-tinted water: Red or brownish standing pools indicate heavy mineral contamination or tick nests. Only drink clear water.
• Keep empty containers: Never discard plastic packaging, empty juice cartons, or aluminum cans. Every hollow container can be repurposed to store water, fuel oil, or antiseptic alcohol.
• Sip systematically: Dehydration increases your cardiovascular strain, causing your pulse to spike and accelerating stamina exhaustion during climbing maneuvers.

Why does the flashlight drain so fast and how do you save battery?

Your starter emergency flashlight has a miniature chemical battery that completely dies in roughly 45 seconds of continuous beam time.

1. Rely on ambient light holes: Layer 1 features large background cracks that filter dim daylight into the caverns. Turn your flashlight off whenever ambient silhouettes are visible.
2. Pulse your beam: Flick the light switch on for half a second to snapshot the terrain ahead, identify drop-offs or spikes, and immediately flick it off before moving forward in the dark.
3. Save dead batteries: Drained batteries are not garbage. Keep them inside your pack; as detailed in our Crafting System and Tool Hierarchy Guide, high Intelligence allows you to merge two dead small batteries into a functional medium cell.
4. Harvest bioluminescent flora: Look for glowplants clinging to damp rock faces. Picking their luminous bulbous fruits provides a zero-power localized light source when held in your off-hand.

How do you safely explore Layer 1 (Gravel Lands)?

Layer 1 spans depths from 0 to 300 meters. For a complete breakdown of deeper biomes, refer to our Subterranean Layer Progression Guide.

• Check ceiling tick spawners: If you hear faint clicking sounds above you, stop moving. Look up with your flashlight pulse to spot pulsing Cave Tick Spawners. Throwing a stone or shooting a dart will destroy them from a safe distance before they burst into swarms—read our Cave Fauna and Predators Guide for full creature tactics.
• Collect Ceiling Rye: Look for golden grass growing downward from rock ceilings. This is Ceiling Rye, one of the safest calorie sources in the early game that does not require cooking.
• Beware of loose rubble falls: Never sprint through steep gravel slopes. Running triggers localized cave-ins that crush feet and cause compound bone fractures.