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Klax (video game)

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North American arcade flyer
Developer(s)Atari Games
Publisher(s)NA, INT: Atari Games (arcade)
Tengen (console)
JP: Namco (arcade & console)
Programmer(s)Dave Akers
Artist(s)Mark Stephen Pierce
Composer(s)Brad Fuller
LX Rudis (NES)
Dave O'Riva (NES)
Matt Furniss (Amiga, ST, C64, Spectrum, Amstrad)
Platform(s)Arcade, Amiga, Amstrad CPC, Atari 2600, Atari 5200, Atari 7800, Atari ST, BBC Micro, Commodore 64, DOS, FM Towns, Game Boy, Game Boy Color, Game Boy Advance, Game Gear, Genesis, Linux, Lynx, MSX, NES, PC-88, PC-98, SAM Coupé, X68000, Master System, TurboGrafx-16, ZX Spectrum
ReleaseFeb, 1990 (arcade)[1]
June 4, 1990 (home)[2]
Mode(s)Up to 2 players simultaneously

Klax is a puzzle video game released in arcades in 1990 by Atari Games while Namco distributed the game in Japanese markets. It was designed and animated by Mark Stephen Pierce with the software engineering done by Dave Akers. The object is to catch colored blocks tumbling down a machine and arrange them in colored rows and patterns to make them disappear. Klax was originally published as a coin-op follow-up to Tetris, about which Atari Games was in a legal dispute at the time.

The Atari 2600 version, released in mid 1990, and Fatal Run, are the final releases for the console which was discontinued in early 1992.[3]


Arcade screenshot

Controls consist of a four-position joystick and a button. The player controls a small paddle at the lower end of a constantly running conveyor belt. Using the joystick, the player can move the paddle left or right to catch tiles in various colors as they advance down the conveyor. Below the paddle is a well that can hold up to 25 tiles in five columns of five; pressing the button causes the topmost tile on the paddle to fall directly downward and into the well, as long as that column is not full. The goal is to form "Klaxes", or unbroken horizontal/vertical/diagonal lines containing three tiles of the same color. Doing so awards points and causes those tiles to disappear, allowing any tiles above them to fall toward the bottom of the well. Bonus points are awarded for completing multiple Klaxes with a single tile (including lines of four or five matching tiles) and for Klaxes formed by the falling of already-placed tiles.

The paddle can hold up to five tiles at any given moment. The player is penalized with one "drop" whenever a tile falls off the conveyor without being caught or while the paddle is full. Pushing up on the joystick will flip the topmost tile on the paddle a short distance up the conveyor, while pulling down accelerates the motion of the tiles.

The game consists of 100 waves, presented as 20 groups of five waves each. At the start of the game and after every fifth wave, the drop meter is cleared and the player is presented with three options of which wave to play next; choosing a later wave awards bonus points and allows more drops. Each wave has an objective that must be reached, such as making a set number of Klaxes, scoring a certain number of points, or surviving a set number of tiles. At the end of a wave, bonus points are awarded for each tile still on the conveyor and paddle and for each empty space in the well.

The game ends when the player either exhausts the available drops, completely fills the well, or finishes all 100 waves.


Akers programmed Klax in just a few weeks using AmigaBASIC, then ported each line to C. In a 1990 interview, he said he wanted to "produce something playable, compact and relatively quick to develop". His influences were Tetris and tic-tac-toe.[4] He chose the name from the sound tiles make rolling across the screen.[5] Atari Games released Klax in February 1990, with Namco releasing the game in Japan a few months later,[2] and soon called it a "major arcade hit".[6] It quickly released several home versions under the Tengen brand. Akers created the Nintendo Entertainment System and Genesis editions.[7] Some 16-bit conversions feature improved graphics.[citation needed] Klax received the Parents' Choice Foundation's seal of approval in 1990, won Best Mind Game at the 1991 European Computer Leisure Awards, and Dennis Lynch of the Chicago Tribune named Klax the Best Cartridge of 1990.[8]

Midway Games gained the rights to Klax upon purchasing Atari Games in 1996. The game has been re-released in retro compilations for modern consoles. A 1999 press release called it Midway's "tic-tac tile puzzle game".[citation needed] Mike Mika, who was working on the Game Boy Color version of the game, placed a hidden wedding proposal inside it. It took his then girlfriend three years to uncover the proposal. Mike Mika also inserted a hidden Snake-like game and a mini-adventure game as easter eggs.[9]

After the arcade version, Klax was converted to most contemporary home computers and video game systems of the 1990s, including the Atari Lynx, Amstrad GX4000 and the Atari 2600 as its final official Atari-licensed release exclusively in Europe.[citation needed] The Atari 7800 version was programmed by David Dentt, who also worked on Ninja Golf for the same console.[10] Klax is the first game with versions for all three of the leading 1990s consoles: the Nintendo Entertainment System, the Genesis, and the TurboGrafx-16.[11] Klax was included in Arcade Party Pak for the PlayStation. It was reissued in Midway Arcade Treasures, a 2003 compilation for the GameCube, PlayStation 2, Xbox, and PC. It appears in Lego Dimensions.[citation needed]


In Japan, Game Machine listed Klax in its April 1, 1990 issue as being the seventh most-successful table arcade unit of the month.[13]

On release, Famicom Tsūshin awarded the PC Engine version 30 out of 40.[14] Klax was ranked the 26th best game of all time by Amiga Power in 1991.[15] The NES version is ranked 44 in IGN's Top 100 NES Games.[16]

In a capsule review of the Lynx version for STart, Clayton Walnum commended the game in aspects of gameplay, graphics, music, sound effects and speech.[17] Julian Rignall reviewed the Atari Lynx version for CVG Magazine in January 1991, saying "the game is simple, but very, very addictive" and giving a rating of 93 out of 100.[18]


  1. ^ "Cash Box Magazine, Feb. 3rd 1990". Internet Archive. Cash Box (New York). 3 February 1990. Retrieved 26 November 2022.
  2. ^ a b "Tengen sets arcade titles for NES, PCs; video games", HFD-The Weekly Home Furnishings Newspaper, June 4, 1990
  3. ^ Lapetino, Tim (November 2017). Art Of Atari. DK Games. pp. 290–291. ISBN 9780744018868. Retrieved 19 February 2021.
  4. ^ "AEX - The most comprehensive exploration of Atari online". April 10, 2007. Archived from the original on 2007-04-10.
  5. ^ The A-Z of Sega Mega Drive Games: Volume 1 ISBN 978-1-785-38720-3 p. 72
  6. ^ "Tengen sales increase to more than $41 million", press release dated May 23, 1990.
  7. ^ "Classic Gaming Expo". September 29, 2006. Archived from the original on 2006-09-29.
  8. ^ "COMPUTING 1990'S BEST AND WORST - Chicago Tribune". Chicago Tribune. 25 January 1991.
  9. ^ Matulef, Jeffrey (July 30, 2013). "Man hid wedding proposal in commercial Game Boy Colour game". Eurogamer.
  10. ^ Hawkin, Kieren (September 2014). "Atari 7800 ProSystem". Retro Gamer. No. 132. Imagine Publishing. p. 27. ISSN 1742-3155.
  11. ^ "They're hot, they're new, they're fun", by Dennis Lynch, Chicago Tribune, November 23, 1990.
  12. ^ Game review, Crash magazine, Newsfield Publications, issue 77, June 1990
  13. ^ "Game Machine's Best Hit Games 25 - テーブル型TVゲーム機 (Table Videos)". Game Machine (in Japanese). No. 377. Amusement Press, Inc. 1 April 1990. p. 25.
  14. ^ 30 Point Plus: KLAX. Weekly Famicom Tsūshin. No.335. Pg.30. 12–19 May 1995.
  15. ^ Amiga Power magazine issue 0, Future Publishing, May 1991
  16. ^ "Top 100 NES Games - IGN.com" – via www.ign.com.
  17. ^ Walnum, Clayton (December 1990). "The Lynx Collection". STart. No. 39. Antic Publishing. pp. 70–71.
  18. ^ Rignall, Julian (January 1991). "Latest Lynx Lowndown". CVG Magazine. No. 110. p. 136. Retrieved 24 March 2018.

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