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'''''Tetris''''', developed by Bullet-Proof Software, was the first licensed game to be released commercially in Japan. It was released on most of the common home computers from the era.
'''''Tetris''''', developed by Bullet-Proof Software, was the first licensed game to be released commercially in Japan. It was released on most of the common home computers from the era.


A [[Tetris (Famicom)|Famicom port]] was released in December, 1988.
A [[Tetris (Famicom)|Famicom port]] was released in December 1988.


== Gameplay ==
== Gameplay ==
The game is split into six rounds of ten stages. Drop speed increases with each stage, while each round starts with higher amounts of garbage. Each stage is completed after 25 lines are cleared, after which the playfield is reset.
The game is split into ten stages of six rounds each. Drop speed increases with each stage, while each round starts with higher amounts of garbage. Each stage is completed after 25 lines are cleared, after which the playfield is reset. Topping out will cost the player one of their three lives. The game ends after all three lives are lost.
 
The player has three lives. Topping out will cost the player a life.


=== Scoring ===
=== Scoring ===
Line 43: Line 41:


== Versions ==
== Versions ==
=== Fujitsu FMR50 ===
Programmed by Takashi Sakamoto.
=== Fujitsu FM-77 AV ===
Programmed by Yoshitaka Yamamura and Tatsuya Kitamura.
=== MSX2 ===
Programmed by Tomokazu Hasegawa.


=== PC-8801 ===
=== NEC PC-88 ===
=== PC-88 VA ===
Programmed by Richard C. Rogers.
Programmed by Richard C. Rogers.
=== PC-9801 ===
 
Programmed by Richard C. Rogers.
=== NEC PC-98 ===
=== X68000 ===
Programmed by Richard C. Rogers, an enhanced version of the PC-88 port.  
 
=== Sharp X68000 ===
Programmed by Takashi Sakamoto. The programmer left a developer message referencing JoJo's Bizarre Adventure.
Programmed by Takashi Sakamoto. The programmer left a developer message referencing JoJo's Bizarre Adventure.


This version doesn't correct for CPU clock speed; emulators should be set to 10MHz for correct performance.
This version doesn't correct for CPU clock speed; emulators should be set to 10MHz for correct performance.


=== X1 (1989) ===
=== Sharp X1 ===
Programmed by Yoshiharu Kawai.
Programmed by Yoshiharu Kawai.
=== MSX2 ===
Programmed by Tomokazu Hasegawa.
=== FMR50 (1988-1989) ===
Programmed by Takashi Sakamoto.
=== FM-77 AV ===
Programmed by Yoshitaka Yamamura and Tatsuya Kitamura.


== External links ==
== External links ==

Latest revision as of 01:30, 25 February 2023

Tetris
Developer(s)Bullet Proof Software
Publisher(s)Bullet Proof Software
Platform(s)PC-8801, PC-88 VA, PC-9801, X1, X68000, FM-77, FMR, MSX2
Release
  • JP: November 18, 1988
Gameplay info
Next pieces1
Playfield size10 × 20
Hold pieceNo
Hard dropHard only

Tetris, developed by Bullet-Proof Software, was the first licensed game to be released commercially in Japan. It was released on most of the common home computers from the era.

A Famicom port was released in December 1988.

Gameplay

The game is split into ten stages of six rounds each. Drop speed increases with each stage, while each round starts with higher amounts of garbage. Each stage is completed after 25 lines are cleared, after which the playfield is reset. Topping out will cost the player one of their three lives. The game ends after all three lives are lost.

Scoring

Line clears are scored as follows:

Line clear Points
1 (single) 40
2 (double) 100
3 (triple) 300
4 (tetris) 1200

If the piece was hard dropped, an amount equal to the number of rows covered by the hard drop plus 1 is added. Otherwise, no score for dropping is added.

Points are only totalled up either after the stage is cleared or if a life is lost.

Versions

Fujitsu FMR50

Programmed by Takashi Sakamoto.

Fujitsu FM-77 AV

Programmed by Yoshitaka Yamamura and Tatsuya Kitamura.

MSX2

Programmed by Tomokazu Hasegawa.

NEC PC-88

Programmed by Richard C. Rogers.

NEC PC-98

Programmed by Richard C. Rogers, an enhanced version of the PC-88 port.

Sharp X68000

Programmed by Takashi Sakamoto. The programmer left a developer message referencing JoJo's Bizarre Adventure.

This version doesn't correct for CPU clock speed; emulators should be set to 10MHz for correct performance.

Sharp X1

Programmed by Yoshiharu Kawai.

External links