The likelihood of you unlocking these hard as nails achievements is very low! For this list we'll be looking at the most insane achievements on Steam, so expect games such as Garry's Mod, Half Life 2: Episode 2, Dead Rising and Super Meat Boy. Have you actually unlocked any of these achievements? Let us know in the comments! Check out these other great videos: Top 10 HARDEST Achievements in Video Games - https://youtu.be/tt5cldjRBb4 Top 10 Hardest Multiplayer Achievements - https://youtu.be/6ql9IlwKR-8 Top 10 Hardest PlayStation Trophies - https://youtu.be/zyi6DTVlcAs List Entries and Rank: 10. Master of the Universe 9. Go Outside 8. Unachievable 7. Impossible Boy 6. Tau Efficiency 5. Day Survivor 4. Little Rocket Man 3, 2 & 1: ??? Have an idea you want to see made into a WatchMojo video? Check out our suggest page at http://watchmojo.com/suggest and submit your idea. #Steam #PCGaming #Achievements Check our our other channels! http://www.youtube.com/mojoplays http://www.youtube.com/mojotalks http://www.youtube.com/msmojo http://www.youtube.com/jrmojo http://www.youtube.com/watchmojouk WatchMojo's Social Media Pages http://www.Facebook.com/WatchMojo http://www.Twitter.com/WatchMojo http://instagram.com/watchmojo Get WatchMojo merchandise at shop.watchmojo.com WatchMojo’s ten thousand videos on Top 10 lists, Origins, Biographies, Tips, How To’s, Reviews, Commentary and more on Pop Culture, Celebrity, Movies, Music, TV, Film, Video Games, Politics, News, Comics, Superheroes. Your trusted authority on ranking Pop Culture.