Even without the DLC, version 1.4 introduced several features to the base game:
: New combat units like the flame-spitting Diabolus or the shield-projecting Apocriton. RimWorld – Biotech Free Download (v1.4.3541)
: Mechanoid production generates toxic wastepacks. If not managed (e.g., by freezing or shipping away), these leak and cause environmental damage, mutate local wildlife, or attract hostile insects. Version 1.4 Base Game Updates Even without the DLC, version 1