Click-to-talk NPCs with multi-page text, branching choices, and quest-trigger hooks.
Inventory-backed keyed doors and chests with consumable/reusable keys and persistent unlock states.
Custom character controller with jump buffering, double-jump and precise collision checks.
Data-driven quest engine with multi-step objectives, persistence, rewards and integration hooks.
Deterministic seed → weighted modifier picker producing reproducible token lists for generators.
Secure P2P trades with server-side escrow, atomic commit/rollback, readiness flow and audit logs.