Welcome to Tetris!

Inspired by the Nintendo GameBoy monochrome and color DX versions, released in 1989 and 1998 respectively. Tetris was originally developed by Alexey Pajitnov in 1984.

Written from scratch in HTML, CSS, PHP and JavaScript.
Original timing and scoring system is used.

April 2020, created by Daniel Foerster


Version 1.5 (22.04.2020)
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Main points:
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• Completely reworked start screen, now with Start menu and Music selection
• Complete keyboard navigation now possible. Mouse optional
• Frozen blocks now keep their color in a darkened tone.
• Game pauses briefly when a line is removed and plays an animation

JavaScript:
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• [Line removal] added delay for line removal
• [Line removal] play animation when a line is removed
• [Line removal] play the shift sound, when the board shifts down after line removal
• [Key handling] several bugfixes in key handling, now more robust and secure
• [Rendering] splitted render function in Tetromino, Next and Board
• [Rendering] new colors, frozen tetros use darkened color
• [General] a lot of bugfixing, optimization and streamlining

PHP:
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• [Highscores] fixed wrong display of name entry, now only the first 20 positions in the table are considered

HTML/CSS:
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• [Start screen] Completely reworked start screen, now with Start menu and Music selection
• [Navigation] Complete keyboard navigation now possible. Mouse optional
• [Highscores] minimal revised design for the score table
• [General] a lot of bugfixing, optimization and streamlining