International Games System

IGS Arcade Reverse Engineering Series (4) - ASIC27 Protocol and Static Analysis of TSGROM Files

Monday, September 8, 2025

Embedded Architecture Analysis IGS’s anti-piracy technology isn’t particularly hard, but it’s extremely weird—probably because the code quality is terrible. …

IGS Arcade Reverse Engineering Series (3) - Getting a Shell

Monday, June 23, 2025

I’ve made quite a bit of progress lately, but I’ve hit a bottleneck. There are probably about three more posts’ worth of material. I’ve been very busy recently, so I’m publishing part three first. …

IGS Arcade Reverse Engineering Series (2) - Recovering Game Files

Sunday, May 25, 2025

In the previous post, I mentioned that the game has a protection mechanism that destroys partitions. In this post, we’ll dig deeper into it. …

IGS Arcade Reverse Engineering Series (1) - E2000 Platform Analysis

Saturday, May 17, 2025

Preface 2010 was the golden era of arcades. As mobile devices and home consoles became widespread, the arcade industry gradually declined. Although some policies were introduced domestically to encourage the amusement gaming equipment industry, the sector has long been out of favor with investors. The 2020 pandemic dealt an even heavier blow to the arcade business. …