Editing Demon Attack (section)

==Gameplay==
''Demon Attack'' is set on a surface of a planet,{{efn|In the Atari 2600 version, the manual describes the location as the ice planet of Krybor, while in the Intellivision manual, the game is set on the [[Moon]].{{sfn|Imagic|1982|ref=manual}}{{sfn|Imagic|1982b|ref=manualInt}}}} when strange winged creatures float above, threatening the player. They attack, leading the player to retaliate by shooting at them with a laser cannon.{{sfn|Imagic|1982|ref=manual}} 

Matthew House of [[RhythmOne#AllGame|AllGame]] described the game as a [[Shoot 'em up#Fixed shooters|fixed shooter]].{{sfn|House}} The players start with three [[Life (video games)|lives]], called bunkers in the game, which are displayed at the bottom of the screen. Each time the players are hit by enemy fire, they lose a bunker, and the game ends when all bunkers are depleted.{{sfn|Imagic|1982|ref=manual}} The waves of enemies grow more complex as the game progresses, with wave five having enemies divide into two smaller enemies after being shot.{{sfn|Weiss|2014|p=62}} Later waves feature enemies who will dive towards the laser cannon.{{sfn|JoyStik How to Win at Video Games|1982|p=25|ref=JoyStik}}

The players can move left and right at the bottom of the screen to avoid enemies. The game offers different modes of play, including a Tracer Shot mode, which allows the player to guide lasers after they are shot. Two-player games can either be played competitively against each other or as a co-op mode.{{sfn|JoyStik How to Win at Video Games|1982|p=25|ref=JoyStik}} In the co-op mode, the two players alternate every four seconds on who controls moving and firing the ship's laser.{{sfn|Imagic|1982|ref=manual}}{{sfn|Weiss|2014|p=62}}{{sfn|JoyStik How to Win at Video Games|1982|p=25|ref=JoyStik}} In competitive mode, each player controls their own laser cannon at simultaneously with their own score and bunker count. If one player loses all their bunkers, the other player continues until all bunkers are lost.{{sfn|Imagic|1982|ref=manual}} 

In the Intellivision version, the [[Boss (video games)|boss fight]] with the demon flagship named Pandemonium appears after three waves of enemies are defeated.{{sfn|Imagic|1982b|ref=manualInt}}{{sfn|Weiss|2014|p=63}} It is destroyed by eroding its shield with lasers shots and aiming for a small rotating wheel of vulnerability.{{sfn|Imagic|1982b|ref=manualInt}}