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Radar Scope (レーダースコープ) is an early arcade game developed and published by Nintendo in November 1980. Some sources claim that Ikegami Tsushinki also did design work on Radar Scope. It is a shooter that can be viewed as a cross between Taito's Space Invaders and Namco's Galaxian. It was released in three types of arcade cabinets: Upright, Cockpit and Cocktail.
Contrary to popular belief, it was not Nintendo's first arcade game. Prior Nintendo games include EVR Race (released only in Japan), Computer Othello (released only in Japan), Sheriff (released in the U.S. by Exidy as Bandido), Space Fever (released only in Japan), and Space Firebird (released by Nintendo and Gremlin Industries in the U.S.).
Radar Scope was the first game that Shigeru Miyamoto helped develop. Although the game was only a modest success, Miyamoto's more popular Donkey Kong was based on Radar Scope's hardware, and used surplus Radar Scope cabinets.
As captain of the Sonic Spaceport, players must defend their station against enemy spaceships called Gamma Raiders, which attack with vengeance and swiftly retreat to formation. The object of the game is to destroy 48 enemy Gamma Raiders before there is total disintegration of all the Spaceports on the player's side.
Players can counterattack with the Rapid-Fire Laser Blaster which zooms the lasers over the three-dimensional-esque field of curving vectors, while it intercepts enemies. The lower on the radar screen that you destroy a Gamma Raider, the more points will be earned. If exploding decoys damage the Sonic Spaceport, the Laser Blaster's firing speed will reduce. The Laser Blaster's "Damage Meter" will light up as damage is incurred and when fully illuminated, will weaken the Laser Blaster's offensive powers. To reverse this, the players must attack and destroy all remaining Gamma Raiders.
Players are given a wide range of flexibility in controlling the difficulty levels of the game. Extra Spaceports are awarded at 7,000, 10,000, 15,000 and 20,000 points, as determined by the players. The initial number of Spaceports may also be pre-programmed at 3, 4, 5 or 6. When the required number of spaceships is destroyed, players receive an extra point bonus.
Conversion to Donkey Kong
The game was popular for a short period in Japan, so the president of newly founded Nintendo of America, Minoru Arakawa, placed a large order for it. By the time the game arrived in New York, months had passed and the buzz surrounding the game had dissipated. The game's sounds were high pitched chirps which many gamers found annoying. American arcade operators were unimpressed, and Nintendo of America was stuck with thousands of unsold units sitting in the warehouse. Arakawa faced financial disaster, so he pleaded with his father-in-law (Nintendo CEO Hiroshi Yamauchi) to provide him with a new game which he could install as a replacement in the Radar Scope arcade machines, which could be repainted to reflect a new game.
Yamauchi assigned the game's designer, Shigeru Miyamoto, the task of "fixing" the game so it would appeal to gamers. Rather than tweak a poor game, Miyamoto designed an entirely new game, Donkey Kong, using the Radar Scope hardware. Out of the 3000 arcade units originally manufactured, around 2000 were converted to Donkey Kong. The converted units can be spotted by their red cabinets. Conversion kits for the new game were then shipped to North America, where Donkey Kong went on to become a huge success.
- ↑ 
- ↑ ドンキーコング裁判についてちょこっと考えてみる Thinking a bit about Donkey Kong, accessed 2009-02-01
- ↑ It started from Pong (それは『ポン』から始まった : アーケードTVゲームの成り立ち sore wa pon kara hajimatta: ākēdo terebi gēmu no naritachi ), Masumi Akagi (赤木真澄 Akagi Masumi ), Amusement Tsūshinsha (アミューズメント通信社 Amyūzumento Tsūshinsha ), 2005, ISBN 4-9902512-0-2.