The Cameroonian showed no sign of the right ankle sprain that kept him out of the previous game against the Detroit Pistons as he went 12-for-19 and helped his side come back from 98-90 down with just under five minutes left.
Philadelphia are now 3-0 for the season.
Other close results included the Pistons edging out the Indiana Pacers 96-94, Houston Rockets defeating the Oklahoma City Thunder in a 116-112 success and San Antonio Spurs beat the Portland Trail Blazers 113-110.
Elsewhere, the Golden State Warriors bounced back from a loss the night before to beat the New Orleans Pelicans 134-123.
But the Californians' power forward Draymond Green refused to get carried away with the win, telling reporters after the game that "We're still not a very good team" as the side recorded their first win of the year.
The Milwaukeee Bucks won 129-112 over the Cleveland Cavaliers, the Utah Jazz closed out a tight 96-95 victory against the Phoenix Suns, the LA Clippers were 111-96 winners over the Charlotte Hornets and the Denver Nuggets notched a 101-94 success against the Sacramento Kings.
The New York Knicks beat the Chicago Bulls 105-98 at Madison Square Garden and the Orlando Magic went down 104-95 to reigning champions the Toronto Raptors.