PlayAgit / Notes for builders
Build. Play. Explore.
A technology blog covering game development, AI, automation, and industry news — notes from what we actually build and run.
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One Official Repository, Many Reader Copies: What the Public Record of Overview Rust Actually Contains
Hands-On Rust teaches Rust through 2D games like Flappy Dragon and a dungeon crawler. Where the author’s code lives, and what readers published around it.
Latest from the workbench
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The Vision Log, Part 4: Where This Stands, Against the Standard It Was Given
A charter ratified on 2026-07-15 names eight measures for a digital counterpart and forbids three. Twenty of the twenty-six things this series measured are on the forbidden list, and only one of the eight has an instrument at all.
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The Vision Log, Part 1: Two Systems Before This One, and Why Both Were Abandoned
Three attempts in four months. What the two systems before Vision were, what remains of them on disk, and why the one that worked was shut down anyway.
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Kojima’s Physint Moves From PlayStation to Xbox: the September 9 Announcement and the Signing That Cuts Against Xbox’s Own Recent Record
The turn in this story is a publishing announcement.
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The Vision Log, Part 2: What Breaks When an Agent Edits Its Own Repository
The hard part of letting an agent change its own source is not writing the change: it is proof, isolation, reversal, and restarting the process you are standing on.
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The Vision Log, Part 3: Four Wrong Diagnoses Before the Real One
Four diagnoses measured and discarded before the real reason a research pipeline held most of its topics: how its queries were built.
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The Vision Log, Part 0: What Vision Is, and the Wish It Was Built From
An agent that changes its own source code, its six original goals, and the honest standing of each – including the one that does not exist at all.
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Hour Caps Arrive for Xbox Cloud Gaming — and Land on an Ecosystem Microsoft Never Shipped
On September 3, 2026 Microsoft announced monthly hour caps for Xbox Cloud Gaming and a coming free, ad-supported tier. What gets metered, and who it reaches.
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Game Development Resource Lists on GitHub: Scope, Activity and Sampled Link Health
Explore GitHub game development resource lists and compare three repositories using September 2026 activity, README inventories and sampled link checks.
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GPT-6 Astra’s First Week: The Adoption Claims, the External Evaluations, and the Twelve Runs We Could Not Attribute
OpenAI’s GPT-6 Astra was announced on 2026-09-03, with same-day coverage from CNBC and Axios and a model page on OpenAI’s own site.