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Infinite Craft Recipes

How to Make Backdoor Mailbag in Infinite Craft

Backdoor Mailbag is a long haul. Even on the shortest known route it takes 50 combinations to get there, and the final one is Backdoors plus Mailbag. Expect to build several intermediate elements you will never use again.

The final combination

BackdoorsMailbagBackdoor Mailbag

Marathon50 steps from the base elementscrafting depth 73

Full crafting path from the base elements

Start with Water, Fire, Wind and Earth, then follow these 50 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. 33EarthWaveSand
  34. 34SandWaterBeach
  35. 35FireSandGlass
  36. 36EarthGlassBottle
  37. 37BeachBottleMessage
  38. 38EarthMessageLetter
  39. 39DustWindSandstorm
  40. 40LetterSandstormPostman
  41. 41EarthWaterPlant
  42. 42PlantWaterSwamp
  43. 43FireSwampDragon
  44. 44DragonLakeLoch Ness Monster
  45. 45MountainMountainMountain Range
  46. 46Loch Ness MonsterMountain RangeScotland
  47. 47EarthScotlandBagpipe
  48. 48BagpipeDustSandbag
  49. 49PostmanSandbagMailbag
  50. 50BackdoorsMailbagBackdoor Mailbag
Crafting tree
1Earth + Windโ†’ Dust2Dust + Earthโ†’ Planet3Fire + Planetโ†’ Sun4Fire + Sunโ†’ Solar5Planet + Solarโ†’ System6Fire + Systemโ†’ Computer7Computer + Fireโ†’ Hack8Fire + Waterโ†’ Steam9Fire + Steamโ†’ Engine10Engine + Steamโ†’ Train11Train + Waterโ†’ Submarine12Submarine + Systemโ†’ Subsystem13Hack + Subsystemโ†’ Backdoor14Wind + Windโ†’ Tornado15Tornado + Waterโ†’ Tsunami16Earth + Tsunamiโ†’ Island17Earth + Islandโ†’ Continent18Water + Windโ†’ Wave19Steam + Waveโ†’ Surf20Continent + Surfโ†’ Australia21Earth + Earthโ†’ Mountain22Mountain + Windโ†’ Avalanche23Avalanche + Windโ†’ Snow24Australia + Snowโ†’ No25Water + Waterโ†’ Lake26Lake + Waterโ†’ Ocean27No + Oceanโ†’ Not28Dust + Engineโ†’ Vacuum29Fire + Vacuumโ†’ Black Hole30Black Hole + Tornadoโ†’ Singularity31Not + Singularityโ†’ Plural32Backdoor + Pluralโ†’ Backdoors33Earth + Waveโ†’ Sand34Sand + Waterโ†’ Beach35Fire + Sandโ†’ Glass36Earth + Glassโ†’ Bottle37Beach + Bottleโ†’ Message38Earth + Messageโ†’ Letter39Dust + Windโ†’ Sandstorm40Letter + Sandstormโ†’ Postman41Earth + Waterโ†’ Plant42Plant + Waterโ†’ Swamp43Fire + Swampโ†’ Dragon44Dragon + Lakeโ†’ Loch Ness Monster45Mountain + Mountainโ†’ Mountain Range46Loch Ness Monster + Mountain Rangeโ†’ Scotland47Earth + Scotlandโ†’ Bagpipe48Bagpipe + Dustโ†’ Sandbag49Postman + Sandbagโ†’ Mailbag50Backdoors + Mailbagโ†’ Backdoor Mailbag

Backdoor Mailbag at a glance

Steps to craft
50
Marathon
Crafting depth
73
longer than 99% of solved elements
Known recipes
1
only one way
Used in
0
other combinations

Other elements that take 50 steps

Similar effort to Backdoor Mailbag, if you want something else to chase.

Frequently asked questions

How do you make Backdoor Mailbag in Infinite Craft?

Combine Backdoors with Mailbag. The full path from the base elements takes 50 steps.

How many steps does it take to make Backdoor Mailbag?

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

Is Backdoor Mailbag hard to make in Infinite Craft?

It rates as marathon. At 50 steps it is longer than 99% of solved elements.

Is there more than one way to make Backdoor Mailbag?

Only one known combination produces Backdoor Mailbag.

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