Nebulus Game is a creation of John M. Philips and the publishing credit of this computer game goes to Hewson Consultants. Nebulus Game came in 1980s for many home computers. Nebulus Game also came up under many different names in different locations like Tower Toppler, Subline, Kyorochan and Castelian. When Nebulus Game was released, it got a lot of critical acclaim. There is also a sequel to Nebulus Game which barely got any popularity. The sequel, Nebulus Game 2 was released in the 1990s on Atari ST and Amiga.
Nebulus Game: Your mission in Nebulus Game is to get to the top without getting killed.