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This level or achievement has been known to feature a bug or glitch. Please attempt or try it with caution.


A Journey of 1000 Light-Years is an infinite mode achievement in Run 3. Since this achievement requires you to run a certain distance, there is no specified level for when you can beat this achievement.

Since you need to run for a decent distance for the achievement, the preferred character is the one you play best with.


For beginners, 800 meters might sound like a long distance to run, and it may be very hard. But unlike Unlimited Endurance (which is a much harder version of this achievement), this achievement allows you to respawn as many times as you like. However, every time you respawn, you are costing yourself Power cells (Unless you have bought the Power Cells Costs are reduced by 10 upgrade), so it would be wise to only attempt this achievement if you are well-prepared and feel confident.


  • The name is a reference to the quote "a journey of a thousand miles begins with a single step," except using "light-years" instead of "miles".
  • The level shown in the icon of this achievement is Infinite Mode level 23.
  • Despite its name, you only run 800m, not 1000 light-years.
    • 1000 light years is actually 9460528400000000000 m, or 9.4605284 × 1015 km, in scientific notation.


In the HTML5 version, this achievement is currently completely broken, along with Galactic Vandalism. If you play there, do not attempt to earn it because you cannot get it. However, the achievement will still show up on the list of possible achievements.

This achievement also appears to be broken on the archived Flash version found on Flashpoint.