Original sentence: Examples include Dragon Quest VIII, Rogue Galaxy,  Killer 7, No More Heroes, Afro Samurai, Metal Gear Acid 2, Ōkami, Street Fighter IV'' and Prince of Persia (2008); although, should be noticed, that some of these titles only use the outline effect and do not apply the shading technique that creates the flat look, which some people consider to not be cel-shading
Edited sentence: Examples include Dragon Quest VIII, Rogue Galaxy,  Killer 7, No More Heroes, Afro Samurai, Metal Gear Acid 2, Ōkami, Street Fighter IV'', "Zack and Wiki" and Prince of Persia (2008); although, should be noticed, that some of these titles only use the outline effect and do not apply the shading technique that creates the flat look, which some people consider to not be cel-shading