gameplay

Blizzard's Timothy Ford explains in this 2017 GDC session how Overwatch uses an Entity Component System architecture for layered gameplay. He also covers its server-authoritative netcode with client-side prediction and how they keep the game responsive and fair.

Bungie's David Aldridge explains the networking programming behind Halo: Reach in a 2011 GDC session. It covers how gameplay stays in sync online, including forecasting and state reconciliation.

Full gameplay of .kkrieger, a first-person shooter by Farbrausch that fits into a 96KB executable by generating its textures, models and sounds procedurally.

Gameplay footage of Zarch, the 1987 3D Defender-like game by David Braben for the Acorn Archimedes. It shows the 256-colour 3D landscape where you stop landers spreading a virus.

A 2017 GDC session in which Nintendo's Breath of the Wild team walks through how the game's convention-breaking systems were built. It covers the 'chemistry engine' of material interactions and shows the early 2D prototype footage.

SsethTzeentach reviews Space Station 13, the chaotic multiplayer game, by recounting absurd stories of singularities, malfunctioning AIs and plasma fires.

A no-death, no-bomb run of Touhou 8 Imperishable Night Stage 6A on Lunatic difficulty, capturing all spellcards. The player describes how Eirin's dense, crisscrossing patterns work and how to manipulate the bosses' positioning.

SethBling uses Super Mario World glitches to inject and run Flappy Bird code on an unmodified SNES, entering it purely with controller inputs. It was the first time a human completed this kind of exploit by hand.

In this 2019 GDC session, Petri Purho of Nolla Games explains the technical side of Noita's physics engine, including scaling a falling-sand simulation to large continuous worlds and adding destructible rigid bodies. It also shows how the emergent physics drives the gameplay.

A GDC 2018 talk by Valve's John McDonald on VACNet, a deep learning system that analyzes CS:GO gameplay to detect cheaters. It covers how the model is trained on human-reviewed Overwatch cases and how its output feeds human moderation.

Gameplay footage of the original 1986 Macintosh version of Dark Castle by Silicon Beach Software. The uploader argues the original is a great game that was tarnished by inferior ports.

Joseph Anderson's long critique of Jonathan Blow's puzzle game The Witness, covering its gameplay, its hundreds of puzzles and its philosophical pretensions. He argues it is a great game that he nonetheless advises against playing.

A remastered recording of Will Wright's 2005 GDC talk revealing Spore, titled The Future of Content. He covers procedurally generated content and the ambitions of the game, with gameplay demo starting around 12:30.

Intro and gameplay footage of Rescue on Fractalus, the 1985 Lucasfilm Games title for Atari XL/XE, programmed by Loren Carpenter and David Fox. It shows the game's fractal-generated mountain terrain.

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.

An Onion News Network parody of a 'hyper-realistic' modern warfare game whose gameplay consists of paperwork, waiting for orders and repairing trucks.