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A two-minute demonstration of LucasArts' iMUSE adaptive music system in Monkey Island 2. It shows music layers and transitions changing seamlessly as the player moves.

A demo of Marble Marcher, a game using a fractal physics engine and fully procedural ray-marched rendering. The player rolls a marble through shifting fractal levels.

The Godot Engine 2022 showreel of apps and tools built with Godot, with a timestamped list of each project. It shows the engine being used well beyond games.

Mozilla's short demo of Unreal Engine 3 running in Firefox, ported by Mozilla and Epic in four days using Emscripten and asm.js.

A game-dev video demonstrating a noise shader in Godot where shapes are visible only in motion against animated noise and vanish when the game is paused or screenshotted. The demo is available on GitHub.

An early 2009 tech test by Notch of an Infiniminer-style cave game running about 700 fps on a 256x256x64 tile map. It is the prototype that grew into Minecraft.

A StarCraft 2 custom-map demo where a bot controls 100 zerglings against 20 sieged tanks and dodges the splash damage, leaving 19 survivors. The code was written in Blizzard's World Editor.

IGN's 2010 trailer for Infinity Blade, an Unreal Engine fighting game for iPhone, iPad and iPod. It shows off gameplay and the visuals of the mobile game.

Epic Games shows how LED walls can provide both virtual backgrounds and real lighting, letting scenes be captured in camera in a single pass with Unreal Engine.

Unity's real-time cinematic teaser 'Enemies' from its Demo Team, showcasing HDRP lighting, strand-based hair and an advanced digital human toolkit. It is a short showcase of high-end real-time rendering.

A two-minute NVIDIA RTX tech demo built on Remedy's Northlight engine, showing real-time ray-traced lighting and shadows in a game scene. It was shown alongside the launch of RTX and DirectX Raytracing.

A short video that reads out comments from the leaked Team Fortress 2 source code to show the frustration of Valve's programmers over time.

Brandon Thomas demos Laser Pong, a game he built on a laser projector and projected onto buildings around Atlanta. It was a weekend project.