Commander Keen: Sunset is a Keen 1 mod by KeenRush and proYorp, released on 14 December 2020, the 30th anniversary of Commander Keen. It features different types of gameplay, depending on the level Keen enters. The protagonist explores top-down view dungeons and rides a creature called Skippy in vertically scrolling levels, while the platforming levels also come with new features, such as the ability to swim. In general, it is not possible to shoot. The game is won by collecting four golden relics.