🔒 Locked — Fuel cells required
The archive opens at 2,500 fuel cells.
Every puzzle you solve pays out fuel cells — more for harder tiers, less when you use hints or make mistakes. Once you’ve earned 2,500 cells (lifetime), every past edition unlocks permanently.
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2,500 cells to go
Base rewards
Easy · 200
Medium · 300
Hard · 400
Expert · 600
Diabolical · 800
Crossword · 300
Word Ladder · 300
Each mistake or hint subtracts 50, floored at 0.