Ubani owadala iTetris?
ITetris yadalwa unjiniyela wesofthiwe waseSoviet u-Alexey Pajitnov ngo-1984. Kamuva yathengwa yiNintendo futhi yaba omunye wemidlalo ethandwa kakhulu, wathengisa amakhophi angaphezu kwezigidi ezingu-35.