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The Implementation of Rewind in Braid

GDC Festival of Gaming · talk · Watch on YouTube

Game programming & enginesGame design

What it is

Jonathan Blow's GDC talk explains how the time-rewind mechanic in Braid was designed and implemented, including the technical hurdles such as memory limits and state history. It covers both design and engineering concerns.

Why Hacker News recommends it

HN commenters cite it as the reference for how a rewind system works and as a point of comparison for undo and serialization approaches.

  • 2 people recommended it
  • 2 different months
  • 0 strong recommendations
  • first 2018, last 2023

What HN commenters said

  1. “There is a great interview with Blow on the technicalities of the warping effects in Braid”

    Interview on technicalities of Braid's time effects.

    m00n, 2018-08 · Recommendation · in “Braid 10th anniversary critical compilation”

  2. “If you're curious how the time rewind was implemented, Blow did a GDC presentation back in 2010.”

    How Braid's time rewind was implemented.

    OnionBlender, 2023-11 · Recommendation · in “Braid, Anniversary Edition trailer [video]”

Excerpts from Hacker News comments, linked to the originals. Summaries and labels were written by a language model from those comments.

Topics: braid, jonathan blow, rewind, undo systems, game programming

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