Codex Gamicus

Downfall - A Slay the Spire Expansion is a free, community-made modification for the video game Slay The Spire developed and published by Table 9 Studio. It was released on Steam for Microsoft Windows on March 26, 2022.


A FREE complete expansion for Slay the Spire, made by the modding community. Features one brand new normal character, plus a new game mode with SEVEN fully complete new characters starring in a twisted campaign, and so much more.

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