4 in a row (Drop Four)

Ezine zilandelana noma ezine emugqeni ngumdlalo wokuxhuma wabadlali ababili njengeTic Tac Toe lapho abadlali beqala ukukhetha umbala bese bashintshana bephonsa i-disc eyodwa enemibala ukusuka phezulu ibe ikholamu eyisikhombisa, umugqa oyisithupha umiswe mpo igridi. Izingcezu ziwela phansi ngqo, zithathe isikhala esilandelayo ngaphakathi kwekolamu. Inhloso yalo mdlalo ukuthi ube ngowokuqala ukwakha umugqa ovundlile, omile, noma oqondile we-disc yakhe.