Unity is famous for its massive crowds, which can include up to 5,000 NPCs on screen simultaneously. At 4K, these crowds lose the "shimmering" effect often seen at lower resolutions, making the streets of Paris feel more immersive.
Using Reshade mods or "Next-Gen" graphics presets can further push the visual boundaries, adding ray-tracing-like effects and enhanced color grading to the base game. Performance & System Requirements
If you experience stuttering, common fixes include disabling the "low-resolution aspect ratios" in settings or using community-made optimization packages to stabilize frame times. Finding 4K Assets & Guides
For the "Ultra Photorealistic" look, many players use the Reshade tool to inject modern post-processing effects into the game engine.