Boulder Dash is a series of puzzle games that started in 1984. You are to collect the required amount of gems in each level while avoiding enemies and various obstacles.
Boulder Dash EX is based on the original game, and adds original physics, an HP bar and an ability to rotate the map.
This run by Odongdong aims to beat EX Mode by going through all six worlds and 75 levels while collecting the gems as fast as possible.