Is it possible to write a contract that unlocks parts rather than, or in addition to, money or science? I want to make it so that, for example, to unlock a better engine you would have to prove that the previous one was tested by taking it to an altitude above the ground, to simulate learning and using the part.

  • Is this a modding question?
    – Philipp
    Sep 6, 2015 at 9:24
  • 3
    Modding is on topic. The only thing that currently isn't that is related to modding is specifically modded Minecraft crash dump style tech support questions.
    – user11502
    Sep 7, 2015 at 11:22
  • @Ash: Just asking for clarification, does this include both the usage of mods and the development of mods? Because OP is focusing on the latter and I thought only the former was considered on topic.
    – Flater
    May 29, 2017 at 9:34
  • 1
    @user16973 , people at this forum may be able to help you. BTW, great idea!!!
    – vianna77
    Jun 30, 2017 at 11:44

1 Answer 1


This question is old. I started playing on version 1.6. But it's not answered today:

Contracts which order you to test some part, enable the part as "experimental".

You kind of unlock it. But only until you solve this mission.

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