Community verdict: MOD / NOT
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The Abyss Book has 4,209 subscribers and ranks #749 in Slay the Spire (#752 overall). Over the last 7 days it gained +30 subscribers (+0.7%) and over 30 days +71. Weekly velocity is 0.0 subs/day, decelerating (-0.01).
Metrics from 63 stored snapshots. How ModOrNot ranks mods →
Subscriber change since tracked
View change since tracked
Favorite change since tracked
Platform availability
Availability is only claimed when an official source proves it. A platform we cannot verify is shown as “Not verified” — we never assume a PC Workshop mod runs on a console.
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Frequently asked
Frequently asked questions
Is The Abyss Book available on PC?
Yes — The Abyss Book is available on PC for Slay the Spire. Verified against the official listing.
What does the ModOrNot Score mean on this page?
It is a 0–100 momentum signal combining 7- and 30-day subscriber velocity and acceleration. Higher means the mod is gaining adoption faster relative to its own baseline — not that it is bigger.
Are these the real Steam Workshop numbers?
Yes. Subscribers, favorites and views are read from the public Steam Workshop page and stored as snapshots; the deltas are computed from those snapshots, never estimated.
How is the rank computed?
Rank is the mod’s position among active mods of the same game, ordered by total subscribers. It is recomputed every collection cycle.