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How drop and salvage rates work.
By BossConstructor
This guide explains how the drop and salvage rates work and how they are effected by the module container and the gift box.
   
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Created by
BossConstructor
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Category: Gameplay Basics, Loot
Languages: English
Posted
Updated
2 Jan, 2015 @ 12:36pm
5 Nov, 2016 @ 2:24pm
615 Unique Visitors
3 Current Favorites
Guide Index
Overview
Preface 
Drop rate - looting other ship's modules. 
Salvage rate - saving your own modules. 
Conclusion 
Comments
Preface
This guide explains how the drop and salvage rates work and how they are effected by the module container and the gift box. The algorithm and especially the percentages may change as the game's balancing progresses but until then, this is how it works.
Drop rate - looting other ship's modules.
Basics
The probability of being able to loot an enemy module after you destroy it depends on three factors:
  • The quality of the destroyed module.
  • The number of gift boxes on your ship.
  • How damaged the module is when you destroy it. In order to increase your chances destroy the module indirectly by destroying the enemy's CC.

Formula
p = (0.1 + 0.1 * module health) * attribute modifier * ship droprate
  • Module health is current module hitpoints / maximum module hitpoints.
  • The attribute modifier is 125% for inferior modules, 100% for normal modules, 50% for rare modules, 25% for superior modules and 10% for legendaries.
  • The ship droprate is 100% + the sum of the drop rate modifiers of your ship.

Example 1 (module destroyed directly)

10% * 100% * 100% = 10%

Example 2 (module destroyed indirectly)

20% * 100% * 100% = 20%

Example 3 (module destroyed directly)

10% * 50% * 100% = 5%

Example 4 (module destroyed directly)

10% * 50% * (100% + 15%) = 5.75%

Example 5 (module at 50% hp when destroyed)

15% * 50% * (100% + 15% + 15% + 15%) = 10.9%

Salvage rate - saving your own modules.
Basics
When your own modules get destroyed the probability of being able to pick it back up depends on the following:
  • The selected difficulty level.
  • The number of module containers on your ship.

Formula
p = 1 - (1 - world salvage rate) * ship salvage rate
  • The world salvage rate is the percentage shown on the exploration start screen.
  • The ship salvage rate is the product of (1 - salvage rate modifier) over each module container.


Example 1

100% - (100% - 90%) * 100% = 90%

Example 2

100% - (100% - 90%) * (100% - 20%) = 92%

Example 3

100% - (100% - 75%) * 100% = 75%

Example 4

100% - (100% - 75%) * (100% - 20%) = 80%

Example 5

100% - (100% - 75%) * (100% - 20%) * (100% - 20%) * (100% - 20%) = 87.2%

Example 6

100% - (100% - 50%) * (100% - 20%) * (100% - 20%) * (100% - 20%) = 74.4%
Conclusion
In summary, both the module container and the gift box have a significant impact on the game. Especially when playing on hard or impossible having module container can be really vital for your success! If you have questions or suggestions for future guides, please feel free to leave them in the comments.
4 Comments
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BossConstructor  [author] 17 Jul, 2017 @ 5:55am 
@Dire_Venom: You can add as many as you want. The effects will stack up, but the relative effectiveness of each additional module decreases. For example:
15% * 50% * (100%) = 7.5%
15% * 50% * (100% + 15%) = 8.6%
...
15% * 50% * (100% + 15% + 15% + 15% + 15% + 15%) = 13.1%
15% * 50% * (100% + 15% + 15% + 15% + 15% + 15% + 15%) = 14.2%
So the first module increased your drop chance by ~15% (8.6%/7.5%-1). The 6th module only increased it by ~8% (14.2%/13.1%-1).

Hope this helps :)

�[Dire_Venom]� 10 Jul, 2017 @ 3:01am 
Thanks for the guide! Is there any limit to how many cargo/matter recovery devices we can have on a ship:? Do they stop adding after 3:?
Thanks!
BossConstructor  [author] 5 Nov, 2016 @ 2:28pm 
Hey Arumba, thank you. You are right, I've updated the numbers and examples in the guide to match the actual values in the game. I'm also adding "your own modules" and "other ships' modules" to the respective module tooltips in the next patch. The old tooltips were really confusing. *facepalm*
Arumba 30 Oct, 2016 @ 5:32am 
Great guide, though I wonder why the in game tooltips don't specify that one type of module is for your OWN dropped goods, and the other is for OTHER dropped goods. Would really help in game. Also this guide seems to have different numbers than the current build, wonder if it might be updated?