Here’s a possible Top 10 levels list from YouTube's 20th Anniversary based on their iconic status, humor, and creativity:

Level 1: Angry Video Game Nerd – A classic pioneer of YouTube gaming culture.

Level 2: Big Chungus – The meme that took Bugs Bunny to another level of hilarity.

Level 3: Rainbow Friends/Will Smith Slapping Chris Rock/Alphabet Lore – A mash-up of unforgettable moments and trends.

Level 4: Steamed Hams – Endless remixes of this Simpsons classic make it a fan favorite.

Level 5: Grimace Shake – A recent trend with dark, hilarious twists.

Level 6: Rebecca Black – Love it or cringe at it, "Friday" is unforgettable.

Level 7: Obunga – The scary and surreal meme everyone remembers.

Level 8: BFDIA – For animation fans, this is a beloved series with a cult following.

Level 9: We Are Number One – Lazytown’s viral sensation that united fans.

Level 10: Somebody Toucha My Spaghet – The perfect blend of nostalgia and absurd humor.

YouTube's 20th Anniversary play this!