99Floors (Worlds Hardest Game Challenge) by jiminycricket - Game Jolt

The Hardest Games of All Time

Monday Mind Teasers: The World's Hardest Game – Destructoid

25 Hardest PC Games of All-Time

What are the hardest PC games?

The hardest video games ever, from Sekiro to Spelunky

a very hard game by agrey abbas

The Hardest Game Ever Stash - Games tracker

Game & Watch Gallery 2: Chef [Modern: Very Hard] (Game Boy Color Emulated) high score by Vixxterity

The Impossible Game on Steam

After days of isolation and self sacrifice, I finally finished The worlds hardest game!(I now know i'm not very good at it) : r/gaming