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September 21–27, 2026

Claude Opus 5.5 Lands, Games Flood In

Anthropic released Claude Opus 5.5 on September 22, and 98 of this week's builds credit it, up from zero last week.

▶𝕏Games · UpdatedClaude-of-DutyA Call of Duty-quality FPS in Three.js, built from a single prompt.by Matt Shumer

Dropday finds the most interesting things people make with AI and follows them from first demo to real product. How it works

This week

, , and .

Reconstructed later from catalog records. Project details may reflect subsequent updates.

In this issue

▶𝕏Games · UpdatedDer KolossA full-scale browser zombie survival tribute built via one-shot AI transformation.by べすぱ / vesper 🎨 Character artist & Live2D𝕏Games · UpdatedbenillaA from-scratch World of Warcraft 1.12.1 client rewritten in Rust and Bevy.by Sam Sung▶▶GamesSkyward Disney Ride CloneA browser-based 3D hang-glider simulatorby Peter Yang▶▶Video · UpdatedJujutsu Kaisen: Gojo vs Sukuna AI AnimationA cinematic AI-driven battle between Gojo and Sukunaby Fury▶𝕏

Model drop

Claude Opus 5.5 is here

Agentic coding and knowledge work at Fable 5.1 performance with 40% lower run cost

Explore the drop ↗

Also this period

Space Bunny Alpha1M-context multimodal reasoning with adjustable effort for long agentic coding and video-input tasks↗Gemini 3.8 Flash TTSPrompt-directed voice design, cloning from 30s samples, and line-by-line acting cues for multi-speaker scenes↗GPT-6 SolRecurring complex coding and agentic workflows at half the price of GPT-5.6 Sol↗

New ways to make

The Book I Cannot ReadA code-generated film about the Voynich manuscript built with Python, Skia, and AIVoice-controlled LED AssistantA voice-controlled LED display assistant powered by GPT-Live-1 and GPT-5.6 Luna.

Trending right now

What people are playing, watching, and sharing across Dropday.

See all trending ↗
▶𝕏ToysChatGPT agent dots - FelipeAn interactive 3D Gaussian Splat character created using GPT-6 Astraby MikeBurns𝕏GamesOpen WaterBrowser-based 3D powerboat simulation built with vanilla Three.js.by Johan𝕏GamesMinecraft in a single HTMLA playable Minecraft clone built as a single HTML file by AI.by Inmersion▶𝕏GamesCritter KartA one-shot kart racing game featuring six critters in a sticky valley.by Matthew Miller

Explore the archive

A growing record of what people are making with AI.

Browse past editions ↗
September 14–20, 2026GTA6: Shenzhen LiteSeptember 7–13, 2026Claude of Duty: Vibe Slops IIAugust 31–September 6, 2026P(DOOM)
Games
SubwayBench
A one-shot benchmark comparing frontier models on complex 3D game generation.
by Command Code AI
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VideoMotion Reel 2026An AI-generated motion design reel created by an autonomous agent for $1.30by Antseed Foundation
▶𝕏GamesBlockHavenA free, browser-based block-building adventure inspired by Minecraft.by Ashutosh

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  • ToolsApps and utilities people shipped
  • ShippedExperiments that became real releases
  • Model dropsNew models and what people made first
  • ChallengesOne brief, rebuilt across models
  • Top creatorsThe people worth following