The leap to Golden Axe III is bigger than that of the first game to the second and it shows a lot of improvement in the gameplay category. The visuals are a different story.
Ion Maiden is aiming to be an old-school shooter that runs on the Build Engine which powered games like Duke Nukem 3D, the original Shadow Warrior, and Blood.
Quake is considered a classic and rightfully so. It’s only disappointing to know the series would become very inconsistent with sequels that share no real relation to the original game other than the Quake name.