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Relax as you build and direct an ever-expanding galactic transportation empire.

In Periodic Deliveries, you are the owner of an up-and-coming space shipping company. Ship the goods each planet produces to planets that demand them to make profit. Use your funds to add more ships to your fleet and expand your reach to new solar systems.

Research new technologies to unlock better ships and higher-quality planets. Upgraded planets work faster and produce new, valuable goods, but they also have additional demands. You must meet all the demands of a planet to upgrade it to a higher tier, so continually evolving your network is a challenging and rewarding puzzle. Build an increasingly complex web of trade routes until you run a trading empire for the history books.

Planets periodically produce goods. Once you've defined a trade route, configured its import/export policies, and assigned a ship to it, that ship will automatically ply that route for you, constantly bringing in money for you to use in other parts of your expansion. These routes need no maintenance, and the resources never expire, so any changes you make are your own choice.

Once you've set up your network, kick back and watch your empire automatically generate money for you as you plan your next addition – at your pace.

The mechanics of the game are straightforward: define a trade route from one planet to another, shipping a produced good to a planet that demands it. However trade routes cannot cross, and your company can only operate a limited number of ships. As you upgrade planets, you'll need to start transporting new goods across a densely established network to unconnected planets that are difficult to reach now. You'll drop off and pick up goods at many stops before they make it to their destination. Deciding how to allocate and transport limited resources in an dense ecosystem is a challenging puzzle that will entertain for hours and hours.

In order to acquire new technology, you must manufacture and consume technology tiers - a special good that must be manufactured from other goods. These items are complex to produce but well worth the effort, giving you points to spend in the technology tree on additional ship designs, company abilities, and higher planet levels.

  • 45 Goods
  • 5 Technology Tiers
  • 7 Ship Classes
  • An Infinite Experience
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We've received lots of high-quality feedback since we launched the game two weeks ago. Thanks to our users for that! We're taking it all down and we've address many of those points in this patch. We've focused on improvements to the user interface, including a new, slick look for the Tech Tree window.

​The current game version is 1.2#21.

Here is a more complete list of changes:

  • Reskinned the Tech Tree window
  • New icons for Tech resource items
  • Improved the appearance of the Tech Tree, Save Menu, and Options Menu on ultrawide and other non-standard aspect displays (thanks Rhettorical)
  • Trade Route UI now shows a clickable list of ships on that route (thanks markakeen)
  • Your available tech points for each level are displayed on the HUD (thanks tagwolf)
  • When a pending route is blocked, a message now explains what's blocking it (thanks rbr)
  • Added a Camera Pan Speed slider to the options menu (thanks nlunac)
  • Doubled the default camera pan speed (thanks nlunac)
  • Fixed a problem where clicks on the background would sometimes be dropped
  • Fixed clicking Cancel in the Delete Trade Route confirm box still deleting the route
  • Fixed not being able to pan the camera with a mouse drag while hovering an object
  • Fixed a permanent ghost node appearing at the mouse when saving and loading in trade route creation mode
  • Goods crates will no longer trail behind very fast ships indefinitely (a visual-only issue)
  • Fixed some typos in the tutorial
  • Increased scroll wheel sensitivity on the save/load menu
  • Optimized some HUD elements that contributed to stuttery game framerate

Let us know if the patch causes any problems and we'll look at them right away, and keep giving your feedback on the Steam Discussion forum!

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