software · Picked by us
An 11-day endless shooter with a decision log to match
A free endless browser shooter with stackable power-ups, five rarity tiers, weapon modifiers and mini-bosses every five waves. Built from an empty folder in 11 days with Claude Opus 4.8 — and a devlog that shows 30 sessions and 16 decision records, not one-shot prompting.
The 11-day build, session by session
Free in the browser on itch.io

What it does
Play a tight endless arcade loop — and see what deliberate, session-by-session AI development looks like when it ships.
Who it helps
People curious about AI-assisted game development and endless arcade games.
How it was made
- Models
- Claude Opus 4.8 · creator-reported
- Tools
- Maintained context file · Continuity across 30 build sessionsPublic source repository · The build, inspectable
- Casmo built the game from an empty folder in 11 days, one session at a time — the devlog records 30 sessions and 16 decision records.
- Architecture came before features: a maintained context file, testing and balance passes instead of one-shot prompting.
- Version 1.0 shipped 2026-07-02 and the “Drones & Lasers” update followed on 2026-07-25.
What the person did
Casmo made the final decisions, tuned the balance and integrated each session; the devlog shows the deliberate process behind the arcade feel.
What we know
Creator-reported: The live game, the version 1.0 devlog and the public repository; the 11-day, 30-session figures are creator-reported.
Access checked — 2026-09-29 · Opened the itch page, the devlog and the repository on 2026-09-29.
Can you use it?
The game stays on itch.io; we link only and host no captures. No repository licence was visible, so the code and credited assets keep their own terms. The cover is an original Made With Models illustration, not a screenshot of the game.
About this project
Picked by Made With Models. Added 2026-09-29. Updated 2026-09-29.