Realms of Chaos is a platform game written for DOS, published by Apogee Software as shareware. The game was authored by Keith Schuler, who had previously designed Paganitzu, and was originally to be a sequel entitled Alabama Smith and the Bloodfire Pendant. It is still sold by Apogee. Like previous platform Apogee games, this one utilized the FAST engine. The game was re-released in 2013 on GOG.com with support for Windows, macOS, and Linux.