This is a classic Tetris game.
Vladimir Namkhoev
AvexLab
ELEFUN MULTIMEDIA
CaeliSOFT
Absolutist
X Dimension Software
360 Senses, LLC
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wapfrog.com
Leawo Software
Forrest Blanding
Ancientsoft
FamTec Software
c-privacy
Quartex
Graphic-Region Development