Mohamed Salah has congratulated Egypt, Saudi Arabia, Morocco and Tunisia for making history as the first time four Arab countries qualify for the Fifa World Cup finals.
Tunisia, meanwhile, progressed as winners of Group A despite not being able to end their campaign with victory over Libya, who finished bottom.
Nabil Dirar scored during the the first half time, Mehdi Benatia did the same minutes later.
The match witnessed several incidents involving Zaha, Doumbia, Serge Aurier against their opponents as tension heightened.
Guinea's Ousmane Sidibe headed into his own net while defending a set piece after the hour mark, but the visitors were able to equalise 10 minutes later when Keita Karamokoba pounced on a loose ball and flicked it over DR Congo goalkeeper Ley Matampi.
However a brace of strikes in stoppage time, a Jonathan Bolingi penalty and through Neeskens Kebano sealed the win for DR Congo - but it was a hollow victory after Tunisia clinched the draw to top Group A by one point.
For Tunisia, the barren draw they recorded against Libya on Saturday was enough to get them another World Cup ticket after they narrowly missed out at the Brazil 2014 edition.
Patson Daka put Zambia in front in the 26th minute but Andre Zambo Anguissa equalised from outside the box five minutes later.