Food expiry alert & anti-refresh guard (reads engine real spoil timestamp, no false alarms). Climate system: temperature, moisture, cloud, aridity + clear / hot / rain / storm. Finite groundwater per tile, recharged by rainfall. Fixed sea springs with anchor protection. Seawater distillation & air condensation. Heat slows players and machines, no destruction. Optional hardcore mode. Event registry + chunked timers.
Mods introducing new content into the game.