If you tell me which emulator you're using (e.g., MelonDS, DeSmuME, or RetroArch), I can give you a step-by-step setup guide for high-res graphics.

• Export HUD and background tiles and apply Real-ESRGAN tuned for pixel art.
• Manually fix haloing and color bleeding; re-index to original palette.
• Replace tiles and test—HUD looks sharper without breaking gameplay visuals.

This allows for the addition of modern details, such as fabric textures on Mario’s overalls or realistic grain on wooden blocks. Implementation via Emulation

Fast-forward to the present, and the gaming landscape has changed significantly. With the advent of high-definition (HD) displays and the capabilities of modern gaming consoles and PCs, gamers have come to expect a much higher level of visual fidelity from their games. This is where HD textures come into play. By replacing the original textures with higher-resolution alternatives, gamers can experience their favorite titles in a whole new light.

• NCGR/NCLR (Nitro character/tiles and palettes)
• TIM (older PlayStation; less common for DS)
• Raw tiled formats referenced by level data

Custom Texture Replacement: Modders create high-resolution replacements for the game's 2D elements—such as tilesets, backgrounds, and the HUD (Heads-Up Display)—which the emulator loads in place of the original low-res files. Key HD Texture and Mod Projects