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HYGN.png {{{longname}}}
Combines with O2 to make WATR
Section unknown Expression error: Unrecognized punctuation character "{".
Spawn temperature -251.15°C
Heat Conductivity Expression error: Unrecognized punctuation character "{".
Relative weight {{{weight}}}
Gravity {{{gravity}}}
Acid dissolve rate Expression error: Unrecognized punctuation character "{".
Flammability Yes
Source code


When Hydrogen is met with O2 and set alight with FIRE, it burns into WTRV. Hydrogen has no effect on pressure and can come in contact with QRTZ at sub-zero temperatures.

When Hydrogen comes in contact with DESL at greater then 8 pressure, it turns itself into OIL and the diesel into WATR. The problem with this reaction is that DESL turns into fire at greater than 5 pressure, so this reaction can never happen. It may be made possible in the future.


When Hydrogen is at over 50 pressure and heated to over 2,000 degrees, it will transform into NBLE and release one NEUT, one yellow PHOT, and have a 10% chance of releasing one ELEC. It will also generate one particle of PLSM, add 30 pressure, and raise it's own temperature by 1000+-250°C.

Since NEUT and ELEC transmute to Hydrogen, the process may self perpetuate.


Hydrogen doesn't burn like other elements do, and is not listed as being flammable in the code. It uses it's own method in order to allow it to react with O2; and in order to allow for fusion, it also only burns when lower than 2000°C. It will only burn from FIRE, PLSM, and LAVA


This save shows off how to make hydrogen from NEUT and ELEC, and also how to convert it into WATR:

This save shows off hydrogen fusion, using PUMP to get the pressure needed, and showing all the steps of fusion: