Home / Recipes / Backdoor Fermion ๐ช How to Make Backdoor Fermion in Infinite CraftBackdoor Fermion is a long haul. Even on the shortest known route it takes 57 combinations to get there, and the final one is Backdoors plus Fermion. Expect to build several intermediate elements you will never use again.
The final combination
๐ช Backdoors+ ๐ฝ Fermion= ๐ช Backdoor Fermion
Marathon 57 steps from the base elements ยท crafting depth 93
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What is worth knowing At 57 steps it is longer than 99% of solved elements, which puts it in our marathon band. Its crafting depth of 93 is unusually deep. Depth counts the longest chain needed to reach it, and most elements people search for sit well below this. Full crafting path from the base elements Start with Water, Fire, Wind and Earth, then follow these 57 combinations in order.
1 ๐ Earth+ ๐จ Wind= ๐ซ๏ธ Dust2 ๐ซ๏ธ Dust+ ๐ Earth= ๐ช Planet3 ๐ฅ Fire+ ๐ช Planet= โ๏ธ Sun4 ๐ฅ Fire+ โ๏ธ Sun= โ๏ธ Solar5 ๐ช Planet+ โ๏ธ Solar= ๐ป System6 ๐ฅ Fire+ ๐ป System= ๐ป Computer7 ๐ป Computer+ ๐ฅ Fire= ๐จ Hack8 ๐ฅ Fire+ ๐ง Water= ๐จ Steam9 ๐ฅ Fire+ ๐จ Steam= ๐ Engine10 ๐ Engine+ ๐จ Steam= ๐ Train11 ๐ Train+ ๐ง Water= ๐ค Submarine12 ๐ค Submarine+ ๐ป System= ๐ฐ Subsystem13 ๐จ Hack+ ๐ฐ Subsystem= ๐ช Backdoor14 ๐จ Wind+ ๐จ Wind= ๐ช๏ธ Tornado15 ๐ช๏ธ Tornado+ ๐ง Water= ๐ Tsunami16 ๐ Earth+ ๐ Tsunami= ๐๏ธ Island17 ๐ Earth+ ๐๏ธ Island= ๐ Continent18 ๐ง Water+ ๐จ Wind= ๐ Wave19 ๐จ Steam+ ๐ Wave= ๐ Surf20 ๐ Continent+ ๐ Surf= ๐ฆ Australia21 ๐ Earth+ ๐ Earth= ๐๏ธ Mountain22 ๐๏ธ Mountain+ ๐จ Wind= ๐จ๏ธ Avalanche23 ๐จ๏ธ Avalanche+ ๐จ Wind= โ๏ธ Snow24 ๐ฆ Australia+ โ๏ธ Snow= ๐
No25 ๐ง Water+ ๐ง Water= ๐ Lake26 ๐ Lake+ ๐ง Water= ๐ Ocean27 ๐
No+ ๐ Ocean= ๐ซ Not28 ๐ซ๏ธ Dust+ ๐ Engine= ๐งน Vacuum29 ๐ฅ Fire+ ๐งน Vacuum= ๐ณ๏ธ Black Hole30 ๐ณ๏ธ Black Hole+ ๐ช๏ธ Tornado= ๐ Singularity31 ๐ซ Not+ ๐ Singularity= ๐ค Plural32 ๐ช Backdoor+ ๐ค Plural= ๐ช Backdoors33 ๐ Earth+ ๐ง Water= ๐ฑ Plant34 ๐ Lake+ ๐ฑ Plant= ๐ธ Lily35 ๐๏ธ Mountain+ ๐๏ธ Mountain= ๐๏ธ Mountain Range36 ๐ธ Lily+ ๐๏ธ Mountain Range= ๐๏ธ Himalayas37 ๐๏ธ Himalayas+ ๐ Lake= ๐๏ธ Dalai Lama38 ๐ Engine+ ๐ฑ Plant= ๐ Car39 ๐ Car+ ๐๏ธ Island= ๐
ฟ๏ธ Parking40 ๐๏ธ Dalai Lama+ ๐
ฟ๏ธ Parking= ๐ฒ Fee41 ๐ฑ Plant+ ๐ง Water= ๐ Swamp42 ๐ Swamp+ ๐ Swamp= ๐ฉ Bog43 ๐ Lake+ ๐๏ธ Mountain= ๐๏ธ Fjord44 ๐ฉ Bog+ ๐๏ธ Fjord= ๐ฆ Mire45 ๐ฒ Fee+ ๐ฆ Mire= ๐ Fermi46 ๐ Earth+ ๐ฅ Fire= ๐ Lava47 ๐ Lava+ ๐ง Water= ๐ชจ Stone48 ๐ฑ Plant+ ๐ชจ Stone= ๐ฆด Fossil49 ๐ฅ Fire+ ๐ฆด Fossil= ๐ฆ Dinosaur50 ๐ซ๏ธ Dust+ ๐จ Wind= ๐ช๏ธ Sandstorm51 ๐ Earth+ ๐ฑ Plant= ๐ณ Tree52 ๐ซ๏ธ Dust+ ๐ณ Tree= ๐ฒ Wood53 ๐ช๏ธ Sandstorm+ ๐ฒ Wood= ๐ก Sandal54 ๐ฆ Dinosaur+ ๐ก Sandal= ๐ Thesaurus55 ๐ Lake+ ๐ Thesaurus= ๐ Synonym56 ๐ Fermi+ ๐ Synonym= ๐ฝ Fermion57 ๐ช Backdoors+ ๐ฝ Fermion= ๐ช Backdoor FermionCrafting tree 1 Earth + Wind โ Dust 2 Dust + Earth โ Planet 3 Fire + Planet โ Sun 4 Fire + Sun โ Solar 5 Planet + Solar โ System 6 Fire + System โ Computer 7 Computer + Fire โ Hack 8 Fire + Water โ Steam 9 Fire + Steam โ Engine 10 Engine + Steam โ Train 11 Train + Water โ Submarine 12 Submarine + System โ Subsystem 13 Hack + Subsystem โ Backdoor 14 Wind + Wind โ Tornado 15 Tornado + Water โ Tsunami 16 Earth + Tsunami โ Island 17 Earth + Island โ Continent 18 Water + Wind โ Wave 19 Steam + Wave โ Surf 20 Continent + Surf โ Australia 21 Earth + Earth โ Mountain 22 Mountain + Wind โ Avalanche 23 Avalanche + Wind โ Snow 24 Australia + Snow โ No 25 Water + Water โ Lake 26 Lake + Water โ Ocean 27 No + Ocean โ Not 28 Dust + Engine โ Vacuum 29 Fire + Vacuum โ Black Hole 30 Black Hole + Tornado โ Singularity 31 Not + Singularity โ Plural 32 Backdoor + Plural โ Backdoors 33 Earth + Water โ Plant 34 Lake + Plant โ Lily 35 Mountain + Mountain โ Mountain Range 36 Lily + Mountain Range โ Himalayas 37 Himalayas + Lake โ Dalai Lama 38 Engine + Plant โ Car 39 Car + Island โ Parking 40 Dalai Lama + Parking โ Fee 41 Plant + Water โ Swamp 42 Swamp + Swamp โ Bog 43 Lake + Mountain โ Fjord 44 Bog + Fjord โ Mire 45 Fee + Mire โ Fermi 46 Earth + Fire โ Lava 47 Lava + Water โ Stone 48 Plant + Stone โ Fossil 49 Fire + Fossil โ Dinosaur 50 Dust + Wind โ Sandstorm 51 Earth + Plant โ Tree 52 Dust + Tree โ Wood 53 Sandstorm + Wood โ Sandal 54 Dinosaur + Sandal โ Thesaurus 55 Lake + Thesaurus โ Synonym 56 Fermi + Synonym โ Fermion 57 Backdoors + Fermion โ Backdoor Fermion
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Backdoor Fermion at a glance
Steps to craft 57 Marathon
Crafting depth 93 longer than 99% of solved elements
Known recipes 1 only one way
Used in 0 other combinations Other elements that take 57 steps Similar effort to Backdoor Fermion, if you want something else to chase.
Frequently asked questions How do you make Backdoor Fermion in Infinite Craft? Combine Backdoors with Fermion. The full path from the base elements takes 57 steps.
How many steps does it take to make Backdoor Fermion? 57 steps on the shortest known path from Water, Fire, Wind and Earth.
Is Backdoor Fermion hard to make in Infinite Craft? It rates as marathon. At 57 steps it is longer than 99% of solved elements.
Is there more than one way to make Backdoor Fermion? Only one known combination produces Backdoor Fermion.
Path verified against the open recipe graph on 2026-10-23 . Method described in our methodology , data credited on data sources .