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The architect of ‘Super Mario Bros.’ most difficult level finally beat it after 450 hours

This ‘Super Mario Maker’ level is impossible.

It’s safe to say that “Super Seigen’s Magnum Opus” is the most difficult level in the history of Super Mario Bros. Go Seigen, a level designer, has been working for the past 10 months to just beat his own level on Super Mario Maker so he could put it on the internet. Now, after 450 hours of attempts, he’s done it.

In Super Mario Maker a level designer has to complete their own level before it can be uploaded. It’s a check to ensure a level can actually be completed before putting it online. Go Seigen has been trying to beat his level for the last 10 months, putting in over 450 hours of attempts alone. It seemed impossible, but on Thursday he finally did it.

Has anyone else beaten it?

The level is currently available to play, but at the time of writing there have been over 500 attempts and nobody has managed to clear the level.

Why is it so tough?

The difficulty in the level lies both in its construction and its execution. It requires players to navigate a long, seemingly impossible level with zero checkpoints and multiple frame-perfect tricks which require timing narrowed down to 1/60th of a second to complete. Together they form an impossible storm of precision and execution so grueling it took someone over 20 days of their life to complete.

How much time did Go Seigen spend on this?

The amount of time is simply staggering.

  • Creation: 112:58:45
  • Practice: 166:35:58
  • Upload attempts: 456:46:24
  • Total time: 30 days, 16 hours, 21 minutes, 7 seconds

I want to try this.

It’s your funeral. If you want to try and beat “Super Seigen’s Magnum Opus” the level code on Super Mario Maker is 7523-0000-03AA-2524.

Good luck.