Catalogue of Arcade Emulation Software - the Absolute Reference

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Demon (c) 1982 Rock-ola.

An old overhead-view shoot'em up game.


Main CPU : CCPU (@ 5 Mhz)

Sound CPU : Z80 (@ 3.579545 Mhz)

Sound Chips : (3x) AY8910 (@ 3.579545 Mhz)

Screen orientation : Horizontal

Video resolution : 224 x 256 pixels

Screen refresh : 38.00 Hz

Palette colors : 32768

Players : 2

Control : 2-way joystick

Buttons : 3


Demon was created on Cinematronics' vector hardware by Rock-Ola. The flickering is normal :)

A Demon machine was shown at the 2003 classic arcade games show 'California Extreme' in San Jose, California.


Collecting a crystal : 100 points.

Dropping a crystal in the shuttle : 100, 200, 300 etc up to 1,000 points then back to 100 points.

Each second survived : 10 points.

Destroying large alien with tail : 1,500 points.

Off centre hit on large alien : up to 1,300 points.

Destroying a mutated crystal : 400 points.


* At the start of the game, concentrate on loading as many crystals as you can. Don't worry about the enemy ships yet as they are easy to avoid.

* The mutated aliens with the tails which appear later in the game are worth the most points. You get 1,500 for a direct hit destroying them, but also points for each near non-fatal hit. Get a few hits off-target if you can, as they can be worth 1,300 points each!

* Keep an eye on your shot power remaining and be ready to collect a crystal if necessary to recharge.

* If the shuttle appears on screen level with the bottom block, keep collecting crystals and don't drop any off until the shuttle is clear of the block. You can often lose a life if you are carrying a crystal and can't get to the shuttle before it explodes.


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