Fire Within the Sand

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This Reclamation Algorithm theme has been released in the Global server of Arknights.
As such, the content of this page and the related subpages have been archived.

Fire Within the Sand is the first theme of the Reclamation Algorithm game mode in Arknights.



Algorithm Completed You successfully secured the headquarters. There's still a long way to go.
Algorithm Error The headquarters has been lost. You are no more than a nameless grain of sand within the desert.
  • The Base is destroyed during the Headquarters defense operation or the player quits out of it when all Acts have been used up.
  • The campaign is abandoned.
Algorithm Aborted You're still within your algorithm parameters. Survival must be ensured.
Once Transregional Communication has been established, losing the campaign (Algorithm Error) will result in this outcome instead.


  • 1 ~ 11: 0, 10, 15, 20, 25, 100, 150, 200, 350, 500, 700
  • 12+: 1000
Resources Gathered Resources purchased from the Manticore Killer in the Black Market and those spent for constructions and productions are counted, but those purchased from The Liaison are not.
Raids Defeated
  • 100 × no. of normal Raids eliminated
  • 300 × no. of elite Raids eliminated (including the Lord Ameer's Attack)
Zones Entered Events and Dispatches are not counted.
  • 35 × no. of zones entered in the first 2 days
  • 40 × no. of zones entered in Day 3 and 4
  • 45 × no. of zones entered in Day 5 and beyond
Finished Cooking
  • 1 × no. of Rice.png Rice used
  • 2 × no. of Crab Legs and Puffball Tenderloins used
  • 4 × no. of Leg Meats used
  • 10 × no. of Marrow Fungi used
Constructs Crafted
  • 0.5 × no. of Wood and Fresh Water.png Fresh Water used
  • 1 × no. of Stone used
  • 2.5 × no. of Iron Ore used
Tokens Obtained 30 × no. of Tokens collected
Formulas Unlocked 100 × no. of Provision recipes unlocked during the campaign
Outcome multipliers
  • Algorithm Completed: 1.5×
  • Algorithm Error: 0.9×
  • Algorithm Aborted: 1×