The listed developer's names included Gamelands, Kday, and StayReal, all of whom are entirely fictional and have no links to the original developers.
However, none of the classic titles listed the official game developers, such as Nintendo, Sega, Atari, and yes-even Microsoft. Each game launched within the browser in an emulator window and allowed users to play through each title in full. Lurking on the Microsoft Edge extensions store were some of the most iconic games of all time, including Mario Kart 64, Super Mario Bros, Pac-Man, Tetris, Sonic The Hedgehog 2, and even Minecraft. Microsoft Removes Illegal Edge Extension Emulators
The Microsoft Edge extensions store was host to tens of emulators, which enabled users to play several iconic games, none of which were posted to the store legally. Microsoft has taken down a series of illegal game emulators hiding on its Microsoft Edge browser extensions store.