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Block Hole, known in Japan and Game Boy release as Quarth, is a sci-fi fixed-screen puzzle/shoot-'em-up game developed and released by Konami (Company) for arcades in late 1989.
Combining vertical-scrolling shoot-'em-up gameplay (similar to Space Invaders (Game)) with a unique puzzle mechanic (with blocks similar to those from Tetris (Game)), Block Hole has players destroying a deadly barrage of jagged blocks barrelling towards Earth (due to a deadly phenomenon known as "Block-Hole") by filling them in with blocks fired from the ship (so that they form enclosed rectangles).
The game later received home ports in 1990, including Sharp X68000 (Platform), NEC PC-98, and MSX (Platform) computers (in Japan), the Famicom (in Japan), and the Game Boy (Platform) (in Japan and North America, the latter of which uses the Quarth name). Some versions have unique two-player multiplayer modes, including a co-operative mode (where both players share the same playfield) and a competitive mode. It also received a PlayStation 2 (Platform) release by HAMSTER in Japan on January 26, 2006 as part of the Oretachi Game Center Zoku (Franchise) series.
The MSX version later received digital Japan-only releases (as Virtual Console (Concept) titles) for the Wii (Platform) on February 2, 2010 and for the Wii U (Platform) on April 23, 2014, while the Game Boy version received a digital Virtual Console release for the Nintendo 3DS (Platform) in Japan on February 22, 2012 and in North America on September 27, 2012. The arcade version received a digital release for the PlayStation 4 (Platform) and Nintendo Switch (Platform), both as part of the Arcade Archives (Franchise) series, on January 21, 2021.