Mega Man X8

From Mega Man - NeoWiki

Mega Man X8 is the eighth and final game in the Mega Man X series. It was originally released on Playstation 2. Like Mega Man X7, this game has 3D graphics, but this time, there's much more 2D gameplay and there's only two stages with 3D gameplay. This game is generally gets mixed reactions, but it's often consider to be better than Mega Man X6 and Mega Man X7 by the fans.

Maverick Bosses

Optic Sunflower
Gravity Antonion
Dark Mantis
Gigabolt Man-O-War
Burn Rooster
Avalanche Yeti
Earthrock Trilobyte
Bamboo Pandamonium