US Copyright Records: Tetris

1. PA-412-170: Tetris. CLNA: V/O Elektronorgtechnika d.b.a Elorg
2. PA-429-201: Tetris : the Soviet challenge. CLNA: Mirrorsoft, Ltd., and Andromeda Software
3. PA-454-697: Tetris nes. By Atari Games Corporation. CLNA: acAtari Games Corporation
4. PA-532-076: Tetris : Game boy. CLNA: cNintendo of America, Inc.
5. PA-640-605: Super Tetris. CLNA: acSpectrum HoloByte, Inc.
6. PA-665-159: Super Tetris. CLNA: acSpectrum HoloByte, Inc.
7. PA-685-942: Tetris. CLNA: acSynergistic Systems, Inc.
8. PA-752-925: Tetris. CLNA: The Really Useful Group, Ltd. & Skratch Music Pub., Ltd.
9. PAu-1-214-036: Tetris. CLNA: V/O Elektronorgtechnika d.b.a. Elorg
10. PAu-1-284-318: Tetris. CLNA: Nintendo of America, Inc.
11. TX-2-600-074: TETRIS. CLNA: acAlexej Pagitnov
12. TX-2-901-568: Quatris. CLNA: Eugene Ignatius Kim
13. TXu-839-311: damTetris. CLNA: acDavid Alejandro Mantilla , 1979-
14. VA-470-802: Tetris : the relentless building block video puzzle. CLNA: Nintendo of America
15. VA-564-636: Tetris classic. CLNA: acSpectrum HoloByte, Inc.
16. VA-564-845: Super Tetris : IBM version. CLNA: acSpectrum HoloByte, Inc.
17. VA-574-004: Tetris : the relentless building block video puzzle : Gameboy, Nintendo.
18. VA-714-662: Tetris : no. 61498. CLNA: acSunbury Textile Mills, Inc.
19. VA-739-374: Tetris : no. P9828. CLNA: acBloomcraft
20. VAu-383-760: Tetris : no. 31291. CLNA: acGuilford Mills, Inc.