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The Ball of Twine is an artifact found in S.T.A.L.K.E.R.: Lost Alpha.

Well... this is simply a ball of twine. It looks incredibly fragile and underwhelming, though appearances don't make a good testament to its true properties.
- Inventory description, v1.30013 - 1.4005

Born in the 'Vortex' anomaly. This bizarrely-shaped artifact appears in places with increased gravitational activity. Acting as a kind of sponge that absorbs radioactive elements, this artifact doesn't provide protection from outside radiation but protects from radioactive particles that have already made their way into the body.
- Inventory description, v1.4007


v1.30013 - 1.3003:
v1.4002 - 1.4005:
  • Adds a modest "weight carry" ability.
  • Becomes spawnable from Vortex anomalies, but may get trapped within their active radius.
  • Loses all of these beneficial properties along with the negative effects and becomes a pure "radiation reduction" artifact.
  • It's superior to the Jellyfish in this respect by one point...


v1.30013 - 1.4005:
All versions:


  • The game files indicate that a combination recipe exists for this artifact, however, the recipe may not be bought by the player.
  • It's incorrectly listed to increase carry weight by 4 when it increases by 3.5kg (artefacts.ltx) (v1.4002+)
  • Shares a bug with all other carry weight increasing artifacts where it doesn't increase the threshold for rapid stamina drain while sprinting.