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While working on version 1.1, I tried to create more artifacts, but it didn't work out.
In other words, without new artifacts? Artifacts are generated randomly, just like everything else in the game. For testing their functionality, I added them to the starting conditions for the heroine, but then I removed them – it creates an imbalance to have all the artifacts for free, especially at the very beginning.
P.S.: Your link doesn't work.