Saltfire Day 50 19 August 2026
Geode
How do you make Geode in 6 merges?
- 1 Salt + Salt Crystal
- 2 Crystal + Crystal Quartz
- 3 Ember + Salt Ash
- 4 Ash + Crystal Stone
- 5 Stone + Stone Boulder
- 6 Boulder + Quartz Geode
Why is 6 merges the shortest possible?
Day 50 asked for Geode — a tier-4 element, one of the complex — and it goes in six merges. Not fewer: par is worked out across the whole recipe tree before the puzzle ships, and then proved by replaying the chain above against the game's own rules, starting from nothing but Salt, Ember, Dew and Breath. If that replay had spent one step more or one step less, the build would have failed and this day would never have run.
Two of the six merges come straight out of the primordials — Crystal and Ash — and everything else is built on top of those. The last step is Boulder + Quartz, which is where Geode finally condenses.
Now look at Crystal: made once, then wanted in two different merges. That is the whole reason the floor is six and not eleven. A step buys you an element for the rest of the run, so par counts distinct pairs, not branches of a tree — the second time the chain reaches for Crystal it is already sitting in the tray, free. Counted as a tree, with a fresh derivation for every single ingredient, this same solution reads as eleven merges.
Geode has two recipes in the tree, so the route above is the cheapest way in rather than the only one. Another chain of the same length is quite possible; a longer one is far more likely. Three steps fuse an element with itself (Salt + Salt, Crystal + Crystal and Stone + Stone). Self-merges are legal moves and a few elements only come out that way — always worth a try when a run stalls. Dew and Breath never appear in the short way through — though nothing tells you that while you are playing, which is rather the point.