RetroHours blog

Browser play guides

From your game ZIP to your first session, with credit to the people who made the games.

Getting started · October 4, 2026

How to play Mega Man X: Viral Nightmare in your browser

Learn how to add your Mega Man X: Viral Nightmare ZIP to RetroHours, try browser play, set up controls and back up saves. Credits: Cat Yard Games.

Game by Cat Yard Games · Guide by RetroHours