Uploaded August 2025 | Updated September 2026, 2 weeks ago

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How do we make the slowest games faster? And how do we do it without emulation or hacking?

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In this video I explore multiple methods of speeding up real Diamond, Pearl, and Platinum cartridge game play using ACE or Arbitrary Code Execution. In particular, I show ACE scripts for Instant Text and Uncapped Frame Rate.

RETIRE's Latest ACE Setup Guide: sloths-kiss-rf0.craft.me/330jTbOzhF5BZu
RETIRE's ACE Video: youtu.be/tmPzFAuKMA8?si=gIm3LiutS8NfjNw5
RETIRE's Script Converter Tool Website: app.jorikdevreese.com/script_conversion/index.html
ACE Scripts used in the video: sinjohruins.com/Gen+4/ACE+Scripts

Big thanks to RETIRE for his help!

Research Website: sinjohruins.com
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Thumbnail art by twitter.com/yogcavey

All footage captured with authentic Diamond, Pearl, Platinum, and HeartGold cartridges on Nintendo DS and 3DS systems.

Action Replay Reddit post: reddit.com/r/learnprogramming/comments/6kqbcr/making_an_action_replay_code

0:00 Intro
1:05 ACE - Arbitrary Code Execution
3:20 What Makes Gen 4 Slow?
4:40 How Go Fast?
6:01 Uncapping Frame Rate
7:43 Instant Text
8:35 Instant HP Bars
9:14 What's the Catch?
10:48 Dot Codes to Go Fast
11:05 Demo and Thoughts