Choose Batbarian: Testament of the Primordials
Choose Batbarian: Testament of the Primordials if it's Steam Deck Verified, so handheld play works out of the box. Batbarian: Testament of the Primordials launched in 2020.
Batbarian: Testament of the Primordials vs UnderDungeon
Batbarian: Testament of the Primordials and UnderDungeon 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. Batbarian: Testament of the Primordials (2020) is 3 years older than UnderDungeon (2023). Batbarian: Testament of the Primordials scores higher on Steam reviews (81.6% positive) than UnderDungeon (78.3% positive). 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 UnderDungeon
Choose UnderDungeon if it's currently about 67% cheaper on the Steam Store. UnderDungeon launched in 2023.
Both Batbarian: Testament of the Primordials and UnderDungeon sit in Action, Indie, and Adventure 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
 Batbarian: Testament of the Primordials |  UnderDungeon | |
|---|---|---|
| Released | 2020 | 2023 |
| Genres | Action, Indie, Adventure, RPG | Action, Indie, Adventure, RPG |
| Platforms | Windows | Windows |
| Steam Deck | Deck Verified | Unrated |
| Price | 14.99 USD | 4.99 USD |
| Steam reviews | 81.6% positive (125 reviews) | 78.3% positive (23 reviews) |
| Multiplayer | Single-player only | Single-player only |
| Developers | Unspeakable Pixels | Josyan, Bibiki |
Side by side
- Both share Action, Indie, Adventure on Steam.
- Batbarian: Testament of the Primordials (2020) is 3 years older than UnderDungeon (2023).
- Batbarian: Testament of the Primordials scores higher on Steam reviews (81.6% positive) than UnderDungeon (78.3% positive).
- UnderDungeon is currently ~67% cheaper on Steam than Batbarian: Testament of the Primordials (4.99 USD vs. 14.99 USD).
- Batbarian: Testament of the Primordials is Deck Verified on Steam Deck; UnderDungeon has no Deck rating yet.
Batbarian: Testament of the Primordials vs UnderDungeon — FAQ
- Should I play Batbarian: Testament of the Primordials or UnderDungeon first?
- If you want chronology, Batbarian: Testament of the Primordials (2020) came out before UnderDungeon (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 Batbarian: Testament of the Primordials and UnderDungeon 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.
- Does Batbarian: Testament of the Primordials run on Steam Deck?
- Yes — Batbarian: Testament of the Primordials is rated Deck Verified by Valve. UnderDungeon doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.