8 Frames in 16ms: Rollback Networking in Mortal Kombat and Injustice 2

Why HN readers recommended it

HN treats it as the definitive practical talk on rollback networking in a shipped AAA fighting game.

This is a summary from the source dataset, not an endorsement by Hacker News or the video creator.

Video & recommendation details

Creator / channel

GDC Festival of Gaming

Topic

rollback netcode

Format

talk

Level

advanced

HN recommenders in dataset

4

HN mentions in dataset

6

Recommendation years in dataset

2020–2025

These counts and years describe the included Hacker News records; they are not YouTube views or the video’s publication date.

From the original HN conversations

Excerpts from the recorded comments. Follow each source for the full comment and surrounding discussion.

• Do you have a link to any blog posts, i would love to read about it. I tried to look on [LINK] , but development appears to be closed source? I'm just an outside observer, but i love the topic. For others like myself, this …

• Here's another great video on the subject: 8 Frames in 16ms: Rollback Networking in Mortal Kombat and Injustice 2 [VIDEO] One of my favorite topics, partially because there's not that much literature on the subject but it's so important

• I guess it depends on how high a level you're looking at it from. Both lockstep and rollback are variants of the general approach of "shared deterministic simulation" where you're mostly just sending inputs. ("Mostly" 'cuz on reconnect or desync or whatever you'll probably want …