Choose Undead Citadel
Choose Undead Citadel if it's the newer release (2023) and ships with the modern feature baseline. Undead Citadel launched in 2023.
Undead Citadel vs Realms of Eternity
Undead Citadel and Realms of Eternity both land in Action, Indie, Adventure 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 Action, Indie, Adventure on Steam. Realms of Eternity (2020) is 3 years older than Undead Citadel (2023). Realms of Eternity is currently ~67% cheaper on Steam than Undead Citadel (9.99 USD vs. 29.99 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 Realms of Eternity
Choose Realms of Eternity if you want an Early Access game with Steam Leaderboards. On Steam, it's currently about 67% cheaper on the Steam Store. Realms of Eternity launched in 2020.
Both Undead Citadel and Realms of Eternity sit in Action, Indie, and Adventure on Steam and both list Tracked Controller Support and VR Only, 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
 Undead Citadel |  Realms of Eternity | |
|---|---|---|
| Released | 2023 | 2020 |
| Genres | Action, Indie, Adventure, RPG | Action, Indie, Adventure, RPG, Early Access |
| Platforms | Windows | Windows |
| Steam Deck | Deck Unsupported | Unrated |
| Price | 29.99 USD | 9.99 USD |
| Steam reviews | 69.6% positive (138 reviews) | 5 reviews |
| Multiplayer | Single-player only | Single-player only |
| Developers | Dark Curry S.L. | VRKemono |
Side by side
- Both share Action, Indie, Adventure on Steam.
- Realms of Eternity (2020) is 3 years older than Undead Citadel (2023).
- Realms of Eternity is currently ~67% cheaper on Steam than Undead Citadel (9.99 USD vs. 29.99 USD).
- Undead Citadel is Deck Unsupported on Steam Deck; Realms of Eternity has no Deck rating yet.
Undead Citadel vs Realms of Eternity — FAQ
- Should I play Undead Citadel or Realms of Eternity first?
- If you want chronology, Realms of Eternity (2020) came out before Undead Citadel (2023). 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 Undead Citadel and Realms of Eternity similar?
- They overlap on Action, Indie, Adventure 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.