2.5D might be one of the best ways to blend new with the old. Scenery, characters, objects, everything in a title can take advantage of modern day hardware while still feeling like the games of yesterday. The Sonic series began to take to 2.5D more and more starting with Sonic Unleashed, with the entire “boost trilogy” doing the brunt of the platforming in the 2.5D sections, with the high speed antics in 3D, almost racing-esque segments.
In 2013, a Retro user by the name of Ell678 began work on his own Sonic fan game, one that would be comprised almost entirely in 2.5D by utilizing SonicGDK. Since that point in time, Sonic Incursion has begun to take shape into the extraordinary title we see here today. A huge fan of the early Genesis games, Ell678 felt he could take what he adored about the level design the two games had and put it into something modern while still maintaining a “classic” presentation.