2.5D games come in many flavors. A popular approach is to use a 3D environment and assets but limit the player movement to only two axes. Another method would be to use 2D assets while exploiting the third dimension only for its parallax effect.
For our game Nugget & Penny, we chose a different approach, we use 2D assets to describe the world while retaining all three axes of movement. We saw this style in a few games and immediately fell in love!
During the development of Nugget …