Choose Slay the Spire
Choose Slay the Spire if you want the Steam Leaderboards, Adjustable Text Size, and Custom Volume Controls side of the pairing. On Steam, it's currently about 38% cheaper on the Steam Store. 75,305 Steam reviews back the pick.
Slay the Spire vs Probability Dungeon
Slay the Spire and Probability Dungeon both land in Strategy, Indie on Steam, which is why they keep getting compared. The comparison below is built from each game's Steam metadata — release year, genres, categories, Steam Deck status, price, and review score — refreshed daily by imho.run's scraper. Headline differences: Both share Strategy, Indie on Steam. Slay the Spire (2019) is 6 years older than Probability Dungeon (2025). Slay the Spire is currently ~38% cheaper on Steam than Probability Dungeon (6.24 USD vs. 9.99 USD). No login or purchase needed — scroll for the full table, the verdict FAQ, and links to ranked similar games for both titles.
Which should you pick?
Choose Probability Dungeon
Choose Probability Dungeon if it's the newer release (2025) and ships with the modern feature baseline. Probability Dungeon launched in 2025.
Both Slay the Spire and Probability Dungeon sit in Strategy and Indie on Steam, so either pick lands in the same broad neighborhood. Use the side-by-side table for the feature view, or follow the "Games like" links below to see ranked alternatives for either title.
Side-by-side comparison
 Slay the Spire |  Probability Dungeon | |
|---|---|---|
| Released | 2019 | 2025 |
| Genres | Strategy, Indie | Strategy, Indie |
| Platforms | Windows, macOS, Linux | Windows |
| Steam Deck | Deck Verified | Unrated |
| Price | 6.24 USD | 9.99 USD |
| Steam reviews | 97.5% positive (75,305 reviews) | 4 reviews |
| Multiplayer | Single-player only | Single-player only |
| Developers | Mega Crit | NiNauk |
Side by side
- Both share Strategy, Indie on Steam.
- Slay the Spire (2019) is 6 years older than Probability Dungeon (2025).
- Slay the Spire is currently ~38% cheaper on Steam than Probability Dungeon (6.24 USD vs. 9.99 USD).
- Slay the Spire is Deck Verified on Steam Deck; Probability Dungeon has no Deck rating yet.
Slay the Spire vs Probability Dungeon — FAQ
- Should I play Slay the Spire or Probability Dungeon first?
- If you want chronology, Slay the Spire (2019) came out before Probability Dungeon (2025). If neither is a sequel to the other, order doesn't really matter — start with whichever fits your current mood, since both share enough on Steam to make either a reasonable opener.
- Are Slay the Spire and Probability Dungeon similar?
- They overlap on Strategy, Indie on Steam, so the catalogue groups them together — but "similar" depends on the specific mechanics. Use the genre + category rows above to decide whether the overlap matches what drew you to the one you've already played.
- Does Slay the Spire run on Steam Deck?
- Yes — Slay the Spire is rated Deck Verified by Valve. Probability Dungeon doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.