"Our company offers a subscription delivery box service with a unique guarantee: a new box delivered every ten seconds! How can we accomplish such a feat, you ask? ...That's a trade secret."

Construct the ideal delivery route to reach all houses in under ten seconds by weaving backwards and forwards in time. If you play your cards right, you'll be able to make it back in time to pick up the next shipment ten seconds later.

Placed 10th overall in Ludum Dare 51 (theme: "Every ten seconds.")

I had this absolutely gonzo idea for a puzzle game with this theme (inspired by the one-electron universe) and just went forward and implemented it. It is a little bit mind-bending, in hopefully a good way! But maybe also in a 'completely incomprehensible' way. Well, I had fun making it, at least ;)

Most of the puzzles have many possible solutions, but that doesn't mean the solutions are easy to find!

There are 15 levels in total, which is more than any sane person should want. Your progress is saved automatically, so you can leave and come back later!


  • Arrow keys to move.
  • Spacebar to reverse the direction of the flow of time.
  • Period key (.) to wait for one second without moving. (Can't be used while on a one-way street.)
  • Z to undo
  • R to reset
  • SHIFT + X to delete your save data.

Tools used:

  • Graphics: Aseprite
  • Music: PXTone (title screen music), FL Studio + Timbres of Heaven (in-game music) + Audacity (for reverse audio)
  • SFX: PXTone + Audacity (for reverse audio)
  • Code: vanilla JS + html5 canvas. Base code based on The Great Flood (which was in turn based on chthonic brilliance, which was in turn based on...)
  • Levels created with Tiled and compiled into a simpler format using the ulvl Python library.
Updated 8 days ago
Rated 5.0 out of 5 stars
(9 total ratings)
Tags2D, delivery, Ludum Dare 51, pastel, psychedelic, Time Travel, truck
LinksLudum Dare


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ld51.zip 11 MB


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good but hard

pleaaaase add more levels, this was so fun!

(1 edit)

My mind is blown


I've found you

(playing this now)

What a clever little puzzle game!

thanks for playing!

On level 3, what does it mean to "flow" time?

Sorry, the help text isn’t super clear because I didn’t have very much space in the game (and also it’s hard to explain, lol).

Basically, if you press space, time starts moving backwards instead of forwards, so when you move around, the timer decreases rather than increasing, and you move from the future to the past, seeing your past self trace out your previous path in reverse (since that’s where you were at that point in the past.)

You can then press space again to make time flow forwards again, which does the same thing but opposite - you’ll see the version of you from when time was flowing backwards, doing everything you just did but in reverse. (as well as your original forward-time past self, who is now moving forward again.)

It’s a little hard to explain in words, but I hope this helps at least a little bit.

It actually DOES help through.

Also I forgot to tell you, fun truck delivery puzzle game. :)