Parallax

Parallax is a Halo 5: Guardians multiplayer map intended for use as a Forge canvas. The map was released as part of the Cartographer's Gift update on December 16, 2015.

Overview
Parallax has no actual terrain, but does have boundary markers which disappear during games. In forge, players can change the map's skybox to one of three appearances: 'Blue Planet', 'Halo Ring' and 'Exosphere' - an unknown blue celestial body, the center of Installation 04 (much like the skybox of the map Truth) and the Urs system, featuring Sanghelios and its moons Qikost and Suban in the background (much like in the opening cutscene of the campaign level Swords of Sanghelios), respectively.