THUNDERFALL / 雷霆战机 · 天穹远征
Pilot three distinct fighters through five sectors and multi-phase bosses, dodge drifting bullets and telegraphed lasers, and collect four weapon colors in a campaign lasting at least ten minutes of active combat.

Details
- Creator
- jackroc
- Category
- Action & arcade
- Repository
- github.com
The work description and facts above come from the upstream README. Any Astra Games guides are listed separately, with their own sources and verification notes.
Platform
Modern desktop and mobile browsers; drag or use a keyboard, with automatic firing. Free, no login or API key; optional sound requires Web Audio.
GPT-6 Astra
Creation record and model contribution — The creator reports using GPT-6 Astra ultra for design, code, procedural graphics, synthesized audio, and iterative testing with collaborating agents; not a one-shot test.
Resources
Source and setup instructions · Prompt · Built with: native JavaScript, Canvas 2D, and Web Audio.
Beyond the preview
Guides for playing & creating
Understand the controls, mechanics and use cases. Each guide states its sources and what was actually checked.
Choose an Astra work by what you want to do
A practical way to compare a scored game, a creative sandbox and an AI development example before you open a demo.
Read guideTHUNDERFALL: plan your first flight
Choose a fighter, read the four weapon pickups and understand when precision movement, bombs and burst are useful.
Read guideKeep looking
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Tap to fly through neon pipes, collect stars and chain precise passes for bonuses; Classic and Chaos modes add shields, a magnet and unlockable looks.
HOLLOWMARK
Explore an industrial underworld in a first-person shooter, finding access wafers, managing ammunition and fighting through a campaign.


