Light survival + hotbar combat. No fabricated DPS numbers.
| System | Player cue | Notes | Status |
|---|---|---|---|
| Hunger / cold / damage | HUD · eat food from inventory (TAB / hold E) | Food in world + safes | Attributed |
| Weapons | Hotbar 1–4 · M1 swing/shoot | Wrench · shotgun · UZ-9 optional | Attributed |
| Checkpoints | Auto-save timestamps · ESC reload any prior | FAQ | Verified |
| Upgrades | Workbench · spare parts / detector amp / drone motor | Far Sight · etc. | Attributed |