TL;DR: They're a boutique video game company who scam video game collectors with overpriced physical releases of video games, and dress up their entire operation in the guise of video game preservation.
Recently, their inner workings have been exposed, showing the company to be an abusive hellscape roughly on par with Activision-Blizzard (minus the rampant misogyny), with employee abuse at basically every level and widespread financial misconduct.
Semi-OT: Ed Zitron's Better Offline podcast just won a Webby: