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Nebulus (Tower Toppler)
Online version of Nebulus (Tower Toppler) for Commodore 64. Nebulus (Tower Toppler) is a platform game with some distinctive unique features. Your character, a small green creature called Pogo, is on a mission to destroy eight towers that have been built onto the sea, by planting bombs at the towers' peaks. Pogo's progress is hindered by enemies and obstacles, which he has to avoid in order to reach the top of the tower. The actual game play happens at each tower in turn. Pogo starts from the bottom and has to find his way up to the top...
Covers - Box Art
Commodore 64 Computer
Online emulated version of Nebulus (Tower Toppler) was originally developed for the Commodore 64 (also known as the C64 or the CBM 64), an 8-bit home computer introduced in January 1982 by Commodore International. Preceded by the Commodore VIC-20 and Commodore PET, the C64 took its name from its 64 kilobytes (65,536 bytes) of RAM. With support for multicolor sprites and a custom chip for waveform generation, the C64 could create superior visuals and audio compared to systems without such custom hardware. The C64 dominated the low-end computer market (except in the UK) for most of the 1980s.
The C64 uses an 8-bit MOS Technology 6510 microprocessor, 64 KB of 8-bit-wide dynamic RAM, 1 KB of 4-bit-wide static color RAM for text mode and 38 KB are available to built-in Commodore BASIC 2.0 on startup. The graphics chip, VIC-II, features 16 colors, eight hardware sprites per scanline (enabling up to 112 sprites per PAL screen), scrolling capabilities, and two bitmap graphics modes. The C64 has a resolution of 320×200 pixels, consisting of a 40×25 grid of 8×8 character blocks. The C64 has 255 predefined character blocks, called PETSCII.