Open Surge is an open source, fun platformer that is free to download.
360º physics engine, with slopes, loops and so on. It's as enjoyable as the classic Sonic games.
Play existing MODs and create your own. The power is in your hands.
This brave fellow won't stand up for injustice.
A charismatic being, Surge is a source of light in this insane world.
Surge's best friend, Neon is courageous and kind.