# Xenos - Stage 3 (technology) internal name `xeno-mk03` · tier 8 (pY science pack 4, [tier 8](https://factorio.kalzumeus.com/tier/8.md)) HTML page: https://factorio.kalzumeus.com/tech/xeno-mk03/ ## Cost 3300 units of (1 × [pY science pack 4](https://factorio.kalzumeus.com/item/py-science-pack-4.md), 2 × [Production science pack](https://factorio.kalzumeus.com/item/production-science-pack.md), 3 × [pY science pack 3](https://factorio.kalzumeus.com/item/py-science-pack-3.md), 6 × [Chemical science pack](https://factorio.kalzumeus.com/item/chemical-science-pack.md), 10 × [pY science pack 2](https://factorio.kalzumeus.com/item/py-science-pack-2.md), 20 × [Logistic science pack](https://factorio.kalzumeus.com/item/logistic-science-pack.md), 30 × [pY science pack 1](https://factorio.kalzumeus.com/item/py-science-pack-1.md), 60 × [Automation science pack](https://factorio.kalzumeus.com/item/automation-science-pack.md), 10 × [Military science pack](https://factorio.kalzumeus.com/item/military-science-pack.md)), 450 s each. ## Requires (2) - [pY science pack](https://factorio.kalzumeus.com/tech/py-science-pack-4.md) - [Xenos - Stage 2](https://factorio.kalzumeus.com/tech/xeno-mk02.md) ## Leads to (2) - [Xenos - Stage 4](https://factorio.kalzumeus.com/tech/xeno-mk04.md) - [Xeno upgrade](https://factorio.kalzumeus.com/tech/xeno-upgrade.md) ## Unlocks (6 recipes) ### Caged xeno (`caged-xeno-3`) - 90 s · tier 8 · productivity modules allowed - Ingredients: 3 × [Xeno egg](https://factorio.kalzumeus.com/item/xeno-egg.md), 2 × [Caged mukmoux](https://factorio.kalzumeus.com/item/caged-mukmoux.md), 10 × [Bones](https://factorio.kalzumeus.com/item/bones.md), 6 × [Water barrel](https://factorio.kalzumeus.com/item/water-barrel.md), 16 × [Fish](https://factorio.kalzumeus.com/item/fish.md), 5 × [Guts](https://factorio.kalzumeus.com/item/guts.md), 1 × [Caged ulric](https://factorio.kalzumeus.com/item/caged-ulric.md) - Results: 6 × [Empty barrel](https://factorio.kalzumeus.com/item/barrel.md), 3 × [Caged xeno](https://factorio.kalzumeus.com/item/caged-xeno.md) - Made in: Xeno pen MK 01, Xeno pen MK 02, Xeno pen MK 03, Xeno pen MK 04 - Unlocked by: [Xenos - Stage 3](https://factorio.kalzumeus.com/tech/xeno-mk03.md) ### Xeno integrated module (`compile-xeno-im`) - 30 s · tier 8 - Ingredients: 1 × [Compiled xeno codex](https://factorio.kalzumeus.com/item/xeno-codex-mk02.md), 1 × [Neuromorphic chip](https://factorio.kalzumeus.com/item/neuromorphic-chip.md) - Results: 1 × [Xeno integrated module](https://factorio.kalzumeus.com/item/xeno-codex-mk03.md) - Made in: Data array - Unlocked by: [Xenos - Stage 3](https://factorio.kalzumeus.com/tech/xeno-mk03.md) ### Xeno egg (`xeno-egg-3`) - 20 s · tier 8 · productivity modules allowed - Ingredients: 1 × [Xeno](https://factorio.kalzumeus.com/item/xeno.md), 2 × [Caged mukmoux](https://factorio.kalzumeus.com/item/caged-mukmoux.md), 25 × [Fish](https://factorio.kalzumeus.com/item/fish.md), 20 × [Bones](https://factorio.kalzumeus.com/item/bones.md), 15 × [Water barrel](https://factorio.kalzumeus.com/item/water-barrel.md), 10 × [Guts](https://factorio.kalzumeus.com/item/guts.md), 2 × [Caged ulric](https://factorio.kalzumeus.com/item/caged-ulric.md) - Results: 15 × [Empty barrel](https://factorio.kalzumeus.com/item/barrel.md), 9 × [Xeno egg](https://factorio.kalzumeus.com/item/xeno-egg.md), 4 × [Cage](https://factorio.kalzumeus.com/item/cage.md) - Made in: Reproductive complex MK 01, Reproductive complex MK 02, Reproductive complex MK 03, Reproductive complex MK 04 - Unlocked by: [Xenos - Stage 3](https://factorio.kalzumeus.com/tech/xeno-mk03.md) ### Phase 3 xeno breeding program (`xeno-mk03`) - 30 s · tier 8 - Ingredients: 2 × [Xeno](https://factorio.kalzumeus.com/item/xeno.md), 1 × [Great alien sample](https://factorio.kalzumeus.com/item/alien-sample-03.md), 1 × [Caged mukmoux](https://factorio.kalzumeus.com/item/caged-mukmoux.md), 4 × [Bedding](https://factorio.kalzumeus.com/item/bedding.md), 10 × [Bones](https://factorio.kalzumeus.com/item/bones.md), 10 × [Fish](https://factorio.kalzumeus.com/item/fish.md), 6 × [Water barrel](https://factorio.kalzumeus.com/item/water-barrel.md) - Results: 0.004 × [Xeno MK 03](https://factorio.kalzumeus.com/item/xeno-mk03.md) (0.4% chance), 6 × [Empty barrel](https://factorio.kalzumeus.com/item/barrel.md), 0.6 × [Xeno](https://factorio.kalzumeus.com/item/xeno.md) (60% chance), 1 × [Cage](https://factorio.kalzumeus.com/item/cage.md) - Made in: Reproductive complex MK 01, Reproductive complex MK 02, Reproductive complex MK 03, Reproductive complex MK 04 - Unlocked by: [Xenos - Stage 3](https://factorio.kalzumeus.com/tech/xeno-mk03.md) ### Xeno MK 03 (`xeno-mk03r`) - 150 s · tier 8 - Ingredients: 4 × [Xeno MK 03](https://factorio.kalzumeus.com/item/xeno-mk03.md), 1 × [Xeno integrated module](https://factorio.kalzumeus.com/item/xeno-codex-mk03.md), 8 × [Bioscaffold](https://factorio.kalzumeus.com/item/bio-scafold.md), 1 × [Great alien sample](https://factorio.kalzumeus.com/item/alien-sample-03.md), 1 × [Alien enzymes](https://factorio.kalzumeus.com/item/alien-enzymes.md), 1 × [Chimeric proteins](https://factorio.kalzumeus.com/item/chimeric-proteins.md), 2 × [cDNA](https://factorio.kalzumeus.com/item/cdna.md), 100 × [Pluripotent stem cells](https://factorio.kalzumeus.com/fluid/psc.md), 50 × [Tholins](https://factorio.kalzumeus.com/fluid/tholins.md), 200 × [Sulfuric acid](https://factorio.kalzumeus.com/fluid/sulfuric-acid.md) - Results: 5 × [Xeno MK 03](https://factorio.kalzumeus.com/item/xeno-mk03.md) - Made in: Bioprinter MK 01, Bioprinter MK 02, Bioprinter MK 03, Bioprinter MK 04 - Unlocked by: [Xenos - Stage 3](https://factorio.kalzumeus.com/tech/xeno-mk03.md) ### Phosphoric acid (`xeno-phosphoric`) - 5 s · tier 8 - Ingredients: 1 × [Xeno egg](https://factorio.kalzumeus.com/item/xeno-egg.md) - Results: 45 × [Phosphoric acid](https://factorio.kalzumeus.com/fluid/phosphoric-acid.md) - Made in: Biofactory MK 01, Biofactory MK 02, Biofactory MK 03, Biofactory MK 04 - Unlocked by: [Xenos - Stage 3](https://factorio.kalzumeus.com/tech/xeno-mk03.md)