It looks like you are looking for a hype post for the "Sonic.exe: One More Time - Repixeled" Knuckles demo. This is a popular trend in the Sonic fangame community, specifically focusing on the pixel-art redesigns of the characters.
In the REPIXELED demo, Knuckles is unlocked after the player completes Tails' section. : Knuckles retains his classic move set, including the (crouch and mash jump), (hold jump in mid-air), and (glide into walls). Level Design sonic exe one more time repixeled knuckles demo hot
The "One More Time" re-pixeled Knuckles demo you mentioned seems to be a fan-made project, possibly a re-imagining of a classic Sonic game featuring Knuckles as the main character. Repixelling is a process of re-creating graphics with a pixel art style, which was popular in the early days of video games. It looks like you are looking for a