Deep Scan
Introduction '''''Deep Scan''''' is a color arcade video game released in 1979 by Sega. A variant of the 1977 arcade game'' Depthcharge'', the player controls a battleship on the surface of the ocean attempting to destroy submarines below it. Some arcade cabinets also include ''Invinco'', a ''Space Invaders'' clone released by Sega the same year.A port to the Atari 2600 was published in 1983 as '''''Sub-Scan'''''.
Gameplay Most of the screen is a side view of the water with enemy submarines patrolling in it. The goal is to destroy as many submarines as possible by dropping explosives from either the left or right side of the ship while avoiding mines launched from these submarines. A mini-map at the bottom of the screen shows submarines coming from the sides, before they are visible.
Legacy ''Deep Scan'' is a bonus game in the Sega Saturn version of ''Die Hard Arcade''. Every 200 points earned gives the player an extra credit for the disc's title game.
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