Che mi sono trovato su Steam questo installabile :
https://gamerant.com/slay-the-spire-fan-dlc-free-steam-release/"Slay The Spire: Downfall has been available as a Steam Workshop upgrade for the base game for some time now, but the developers have now taken the project a step further still.
[...]
Described as a "full-featured expansion" for the game, Downfall adds a wide variety of impressive features, including an entire alternate campaign mode with seven entirely new characters with their own cards, potions, relic items, and more. These characters are effectively the base game's boss enemies, who now need to work their way down the Spire to defend it from heroes.
While there are other games Slay The Spire fans should try, they now also have a major new excuse to get back to it. Downfall is available as a free Steam download, and it is almost twice the size of the base game. The developer, Table 9 Games, has already announced that there will be more content coming via future updates, so the mod is likely to have a rather long shelf life, as well."
A quanto pare un progetto che è diventato ben più di una mod.