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The Lab Log

Field Notes From the Lab

How real games are built, honest guides to the tools indie developers use, and the data behind the industry. Most posts come with a live lab or a free tool you can try right in your browser.

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Steam Next Fest October 2026 as a neon city skyline: each building and light is a demo, with a few tall towers for the hits and thousands of tiny lights for the long tail

Steam Next Fest October 2026: What the Data Says About 7,300 Demos

The October 2026 Steam Next Fest had more than 7,300 demos, the most ever, and most never had more than three players at once. We dug into the numbers: who won, which genres found players, how many demos disclosed AI, and what it all means for your next demo.

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Best game engines for indie developers: line chart of GMTK Game Jam entries, where Godot overtakes Unity, 47% to 34%, in 2026

Best Game Engines for Indie Developers (2026): How to Pick the Right One

Godot, Unity, Unreal, GameMaker and nine more engines compared for 2026: what each costs, what it's best at, where it ships, and the weak spot fans skip. Includes a quiz that ranks them for your game.

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Hytale world generation, rebuilt as a four-step stack: jittered biome tiles, warped tile borders, blended terrain, and props scattered on a point grid

How Hytale Generates Its Worlds: Biome Tiles, Warped Noise & Prop Grids

Hytale's next world generator treats every biome as a tile, blends the terrain across the seams and scatters props on a point grid. Here's what Hypixel has shared about World Gen V2, plus a live lab where you can build the same kind of stack.

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Cellular automata in games: Brogue's cave pipeline from random noise to five smoothing rounds to the biggest blob, next to a Noita-style falling-sand scene with a sand pile, water basin and burning beam

How Brogue and Noita Use Cellular Automata

Brogue grows its caves from 55% random noise and five rounds of a cellular automaton. Noita simulates its world pixel by pixel, bottom-up, in 64×64 chunks. See how both work, then grow a Brogue-style cave blob in a live lab.

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AI Art by Christian Ellsworth

The Tiny Synth That Accidentally Became a Full Music Workstation

How a small browser synth for game sound effects evolved into Arcade Composer, a full music workstation built for fast, game-focused audio workflow.

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Neon fantasy city of purple spires floating above the clouds, AI art by Christian Ellsworth

The Indie Game Developer’s Toolkit: Must-Have Tools to Power Your Next Game

The tools we'd reach for to build an indie game in 2026: engines, frameworks, art and animation apps, audio tools, level editors, and collaboration software, with a short take on each.

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Open source game development tools: neon cyberpunk city skyline, AI art by Christian Ellsworth

The Ultimate Guide to Free, Open Source Tools for Indie Game Developers (2026)

The free, open-source game development tools worth using in 2026: engines, frameworks, 3D and pixel art apps, animation, audio, version control and level editors. Each comes with a Best for line and its license.

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