Mega Man 8 is a game released in the U.S. in 1997, which marked the Mega Man series' tenth anniversary. It would also mark the last game in the classic Mega Man series, as Capcom would focus on the Mega Man X series, as well as Mega Man Legends, with Mega Man 9 not being made until 12 years later.
In this game, Dr. Wily is back, and this time, he has found evil energy that crashed on his secret island base, just as Mega Man is investigating it on the orders of Dr. Light. Now Mega Man must stop Dr. Wily's plot to use the evil energy, which powers his new robot masters, and a mysterious robot found at the crash site, eventually teaming up with a alien robot named Duo.
Yeah, the game is basically the same as all the others, but Capcom did try to add some variety to each stage, like Tengu Man's stage having a segment where you ride on Rush Jet, and Frost Man's stage having snowboarding segments. Also, bolts are hidden through the stages other than the Wily ones, and when collected, can be exchanged for items that will enhance your skills (one will increase weapon energy, while another allows you to prevent being knocked back when hit).
However, the game does have flaws. Some areas can be extremely difficult (especially the snowboarding segments of Frost Man's stage, which have signals that require you to jump or slide, with the jumping parts requiring good timing to land safely), and the game does have FMV cutscenes, but the English dubbing is by far one of the worst my ears heard (especially Dr. Light pronouncing Dr. Wily as "Dr. Wahwee", which has become a sort of joke on the internet).