I couldn’t find any specific article or official release page for an “Undertale Colored Sprite Mod 1.08.” It’s likely one of two things:
100% Completion: Unlike earlier WIP versions, this iteration covers every monster in the game (though purists note that certain enemies like Napstablook remain white to stay true to their ghostly "overworld" look). The "Vibe" Shift Undertale Colored Sprite Mod 1.08
When Toby Fox released Undertale in 2015, its monochromatic, retro-inspired battle sprites were a deliberate artistic nod to the 8-bit era of JRPGs like EarthBound. However, for nearly a decade, fans have debated a simple question: What if the combat sprites had color? I couldn’t find any specific article or official
RUINS