KSP Interstellar Extended

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  • Kerbal Space Program
  • 15,900 Monthly Downloads
  • Supports: 1.2.2
  • 227,405 Total Downloads
  • Updated Feb 12, 2017
  • Created Oct 8, 2015
  • 219 Favorites
  • Project Site
  • Comments
  • Release Type: Release
  • License: Custom License
  • Newest File: KSP Interstellar Extended 1.12.6
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About KSP Interstellar Extended



KSP Interstellar Extended is a plugin for Kerbal Space Program, designed to encourage bootstrapping toward ever more advanced levels of technology as well as utilizing In-Situ resources to expand the reach of Kerbal civilization. KSP Interstellar Extended aims to continue in Fractals original KSPI vision in providing a realistic road to the stars.

Players will first gain access to contemporary technologies that have not been widely applied to real space programs such as nuclear reactors, electrical generators and thermal rockets. By continuing down the CTT tech tree and performing more research, these parts can be upgraded and later surpassed by novel new technologies such as fusion and even antimatter power.

We attempt to portray both the tremendous power of these technologies as well as their drawbacks, including the tremendous difficulty of obtaining resources like antimatter and the difficulties associated with storing it safely. The goal being to reward players who develop advanced infrastructure on other planets with new, novel and powerful technologies capable of helping Kerbals explore planets in new and exciting ways.

The principal goal of KSP Interstellar is to expand Kerbal Space Program with interesting technologies and to provide a logical and compelling technological progression beginning with technologies that could have been available in the 1970s/1980s, then technologies that could be available within the next few years, progressing to technologies that may not be available for many decades, all the way out to speculative technologies that are physically reasonably but may or may not ever be realizable in practice.



for more details look at the KSPI forum development thread

* Added Inline ISRU Electrolyzer and ISRU Converter (credits EvilGeorge)

* Added ISRU Converter (credits EvilGeorge)

* Added inline  ISRU Processor (credits to TiktaalikDreaming)

* Added Modular Hex ISRU Part ISRU Processor, ISRU Electrolyzer and ISRU Converter, Switchable Gas and Cryostat tanks and structures

* Added ability to extract Sodium and Heavy Water to atmosphere Extractor

* Added Deuterium to Solarwind processor

* Balance Increased tech requirement All in one ISRU Refinery

* Balance: Increased Minimum ISP Plasma Wakefield Accelerator

* Fixed Info screen Total power for some ISRU Processes


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