About This Game

Boundary Cage is a 2D text‑based interactive novel.

Set in a dystopian world after the plague of 2247, alien races have taken over human territories. As the female protagonist, you encounter various characters within an oppressive and danger‑ridden setting. Make choices as the story unfolds to unlock multiple narrative branches and diverse endings.

Game Features

✅ Non‑linear branching storyline with abundant dialogue

✅ Multiple independent character routes with unique story developments

✅ Suspenseful, dark world‑building filled with psychological mind‑games

✅ Fully original script, paired with atmospheric background music and sound effects

✅ Multiple‑ending design: your choices will change everything

This game uses the open‑source Noto Sans SC font. Background music and sound effects are sourced from open‑licensed materials on Erlingwang, used in accordance with corresponding licensing agreements.

This work contains suspenseful and oppressive atmospheres. Player discretion is advised.

Third‑Party Asset Acknowledgements

Background music and sound effects in this game are sourced from :

1. Mysterious Lights ‑ rangoo (CC0 license, free for commercial use, no attribution required)

2. Suspense Tension Background Music ‑ Canya

3. Tense Climax Atmosphere ‑ eggskull6

4. DOOR_Glass_Shop Front Glass Door Chime ‑ Akirasal

5. Clothing Fabric Rustle ‑ Siwei Jianghua

6. Graceful Piano Tone ‑ whales

7. Claw Strike ‑ J13773143788

All the above‑mentioned audio materials are legally licensed under CC Creative Commons agreements.

Development Engine: WebGAL open‑source visual novel engine (MIT License)

Artwork: Original hand‑drawn line art by the author. AI is only used as a coloring‑aid tool; backgrounds are AI‑generated.

Script Content: 100% original hand‑written story

AI Generated Content Disclosure

The developers describe how their game uses AI Generated Content like this:

本游戏部分美术背景素材使用AI辅助创作，立绘由人工板绘并使用AI辅助上色，所有AI内容均经人工修改、审核调整，不存在实时AI生成内容。