| Feature | Description | Effect on Player | |---------|-------------|------------------| | | Each dialogue node offers 2–4 options, some of which are hidden until certain conditions are met. | Encourages exploration and replayability. | | Memory Tags | The game tracks “memory tags” for each NPC, recording whether Alyx has met them before and what she learned. | Simulates the gradual accumulation of trust. | | Time‑Pressure Events | Certain scenes impose a countdown, forcing quick decisions. | Replicates the urgency of real‑world stranger interactions. |