Vala, or The Four Zoas the histories of the Druids and of the Christians along with adding various locations connected to them. In both editions of the poem, Blake changed his mythological system in the "Book of Urizen" from a dualistic struggle between two divine powers to a struggle of four aspects split from Eternity. These aspects are Blake's Four Zoas, which represent four aspects of the Almighty God and "Vala" is the first work to mention them. In particular, Blake's God/Man union is broken down into the bodily components of Urizen (head), Urthona (loins), Luvah (heart), and Tharmas (unity of the body) with paired
Bike or Die! mines, which can be randomly or strategically placed in the levels, or when the biker's body hits the ground or a wall. Later version introduced sticky and slippery surfaces, along with portals, which are quite difficult to work with, but produce interesting results. All of these features are supported by the level editor, Bike or Design. The bike is very springy and can wheelie, flip, or do jumps. However, if the bike has too much force when hitting an object, the bike will go through the ground, the biker will crash, and the level must be restarted. Gameplay progresses through