Bullet Proof Software
From Video Game Music Preservation Foundation Wiki
|Bullet Proof Software|
|Other Names||BPS, Blue Planet Software|
Bullet Proof Software (株式会社ビーピーエス Bī Pī Esu) was a Japanese game developer. They mainly developed Nintendo versions of popular computer games such as Archon and Tetris. They were also a publisher and developer of many Tetris games.