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 This project is a demo for a websocket-based rollback netcode inspired by [GGPO](https://github.com/pond3r/ggpo/blob/master/doc/README.md). As lots of feedbacks ask for a discussion on using UDP instead, I tried to summarize my personal opinion about it in [ConcerningEdgeCases](./ConcerningEdgeCases.md) -- not necessarily correct but that's indeed a question to face :)
 
-The following video is recorded over INTERNET using an input delay of 4 frames and it feels SMOOTH when playing! Please also checkout [this demo video](https://pan.baidu.com/s/1ML6hNupaPHPJRd5rcTvQvw?pwd=8ruc) to see how this demo carries out a full 60fps synchronization with the help of _batched input upsync/downsync_ for satisfying network I/O performance.
+The following video is recorded over INTERNET using an input delay of 4 frames and it feels SMOOTH when playing! Please also checkout these demo videos
+- [source video of the first gif](https://pan.baidu.com/s/1ML6hNupaPHPJRd5rcTvQvw?pwd=8ruc) 
+- [phone v.s. PC over internet battle#1](https://pan.baidu.com/s/1NuGxuMwrV_jalcToyUZPLg?pwd=kfkr) 
+- [phone v.s. PC over internet battle#2](https://pan.baidu.com/s/1kMiFdwDHyJpZJ0GGU1Y3eA?pwd=46gd) 
+
+to see how this demo carries out a full 60fps synchronization with the help of _batched input upsync/downsync_ for satisfying network I/O performance.
 
 ![gif_demo_1](./charts/internet_fireball_explosion_wallmove_spedup.gif)