What computer game invented by Alexi Pajtnov celebrated its 25th anniversary in June 2009?
what computer game invented by alexi pajtnov celebrated its 25th anniversary in june 2009
FreebaseQA-train-746.P0 FreebaseQA-train-746.P1
alexi pajtnov alexi pajtnov
alexey pajitnov alexey pajitnov
m.012xx m.012xx
cvg.cvg_designer.games_designed law.inventor.inventions
m.07gl9
tetris
m.07gl9
tetris