Skip to content
Infinite Craft Recipes

How to Make Backdooropolises in Infinite Craft

Backdooropolises is a long haul. Even on the shortest known route it takes 49 combinations to get there, and the final one is Backdooropolis plus Plural. Expect to build several intermediate elements you will never use again.

The final combination

BackdooropolisPluralBackdooropolises

Marathon49 steps from the base elementscrafting depth 102

Full crafting path from the base elements

Start with Water, Fire, Wind and Earth, then follow these 49 combinations in order.

  1. 1EarthWindDust
  2. 2DustEarthPlanet
  3. 3FirePlanetSun
  4. 4FireSunSolar
  5. 5PlanetSolarSystem
  6. 6FireSystemComputer
  7. 7ComputerFireHack
  8. 8FireWaterSteam
  9. 9FireSteamEngine
  10. 10EngineSteamTrain
  11. 11TrainWaterSubmarine
  12. 12SubmarineSystemSubsystem
  13. 13HackSubsystemBackdoor
  14. 14WindWindTornado
  15. 15TornadoWaterTsunami
  16. 16EarthTsunamiIsland
  17. 17EarthIslandContinent
  18. 18WaterWindWave
  19. 19SteamWaveSurf
  20. 20ContinentSurfAustralia
  21. 21EarthEarthMountain
  22. 22MountainWindAvalanche
  23. 23AvalancheWindSnow
  24. 24AustraliaSnowNo
  25. 25WaterWaterLake
  26. 26LakeWaterOcean
  27. 27NoOceanNot
  28. 28DustEngineVacuum
  29. 29FireVacuumBlack Hole
  30. 30Black HoleTornadoSingularity
  31. 31NotSingularityPlural
  32. 32BackdoorPluralBackdoors
  33. 33LakeMountainFjord
  34. 34EarthFjordLand
  35. 35EarthWaterPlant
  36. 36PlantWindDandelion
  37. 37DandelionWaterWine
  38. 38WindWineBalloon
  39. 39BalloonFirePop
  40. 40LandPopPeople
  41. 41EarthPeopleCivilization
  42. 42EarthEngineTractor
  43. 43EarthTractorFarm
  44. 44FarmPopFarmville
  45. 45FarmMountainGoat
  46. 46FarmvilleGoatGoatville
  47. 47CivilizationGoatvilleGoatropolis
  48. 48BackdoorsGoatropolisBackdooropolis
  49. 49BackdooropolisPluralBackdooropolises
Crafting tree
1Earth + Wind→ Dust2Dust + Earth→ Planet3Fire + Planet→ Sun4Fire + Sun→ Solar5Planet + Solar→ System6Fire + System→ Computer7Computer + Fire→ Hack8Fire + Water→ Steam9Fire + Steam→ Engine10Engine + Steam→ Train11Train + Water→ Submarine12Submarine + System→ Subsystem13Hack + Subsystem→ Backdoor14Wind + Wind→ Tornado15Tornado + Water→ Tsunami16Earth + Tsunami→ Island17Earth + Island→ Continent18Water + Wind→ Wave19Steam + Wave→ Surf20Continent + Surf→ Australia21Earth + Earth→ Mountain22Mountain + Wind→ Avalanche23Avalanche + Wind→ Snow24Australia + Snow→ No25Water + Water→ Lake26Lake + Water→ Ocean27No + Ocean→ Not28Dust + Engine→ Vacuum29Fire + Vacuum→ Black Hole30Black Hole + Tornado→ Singularity31Not + Singularity→ Plural32Backdoor + Plural→ Backdoors33Lake + Mountain→ Fjord34Earth + Fjord→ Land35Earth + Water→ Plant36Plant + Wind→ Dandelion37Dandelion + Water→ Wine38Wind + Wine→ Balloon39Balloon + Fire→ Pop40Land + Pop→ People41Earth + People→ Civilization42Earth + Engine→ Tractor43Earth + Tractor→ Farm44Farm + Pop→ Farmville45Farm + Mountain→ Goat46Farmville + Goat→ Goatville47Civilization + Goatville→ Goatropolis48Backdoors + Goatropolis→ Backdooropolis49Backdooropolis + Plural→ Backdooropolises

Backdooropolises at a glance

Steps to craft
49
Marathon
Crafting depth
102
longer than 99% of solved elements
Known recipes
1
only one way
Used in
0
other combinations

Other elements that take 49 steps

Similar effort to Backdooropolises, if you want something else to chase.

Frequently asked questions

How do you make Backdooropolises in Infinite Craft?

Combine Backdooropolis with Plural. The full path from the base elements takes 49 steps.

How many steps does it take to make Backdooropolises?

49 steps on the shortest known path from Water, Fire, Wind and Earth.

Is Backdooropolises hard to make in Infinite Craft?

It rates as marathon. At 49 steps it is longer than 99% of solved elements.

Is there more than one way to make Backdooropolises?

Only one known combination produces Backdooropolises.

Path verified against the open recipe graph on . Method described in our methodology, data credited on data sources.