A platform engine with perfect collision, designed in a way that hurdles right over the leading causes of collision bugs.
Other engines almost all have the same common issues, from getting stuck in walls from a distorted pixel mask, to not landing quite properly on a block and you end up falling through it.
Rather than using GameMaker: Studio’s bitmap-based collision functions it uses a completely mathematical approach.
End User Licence Agreement (EULA).
Support for multiple actor objects