While Ruffle can theoretically run anywhere, some websites support Ruffle without requiring user installation, such as: 70% of the language and 61% of the API are supported. ActionScript 3.0/AVM2 - A warning screen appears and a warning in the logs if it is detected.Each property has three tasks, and are complete to various degrees: 'Property Exists' (exists, but may not be fully implemented), 'Has Test Coverage' (well tested, even if the tests fail or they are unimplemented) or 'Completely Functional' (completely implemented).

Despite this, support of all properties is only at 77%, with 229 tasks being implemented out of 294. ActionScript 1.0 and 2.0/AVM1 - 95% of the language and 73% of the API are supported.Today, it is one of the most prominent alternative Flash players. It has become notable since Flash's discontinuation was announced and Flash support in web browsers weakened. It was later renamed to Ruffle, and became a reimplementation of Flash Player. Mike Welsh began development of a project called Fluster in 2016.

Ruffle flash player emulator