What is one advantage of using Post-processing effects in Unity?

Using post-processing effects in Unity significantly enhances the visual quality of a game. These effects can include features like bloom, depth of field, ambient occlusion, color grading, and motion blur, which collectively contribute to a more immersive and visually appealing experience. By applying these effects, artists can achieve a polished look that adds depth, realism, and atmospheric richness to the game's graphics, making the overall aesthetic more engaging for players.

The other choices do not directly relate to the primary role of post-processing effects. While reducing file size, simplifying coding processes, and improving loading times are important considerations in game development, they are not the functions that post-processing effects serve. Instead, the focus of these effects is to amplify the visual impact and create memorable imagery in the game, enhancing the player's experience on a visual level.