Choose Gem Forge
Choose Gem Forge if it's currently about 86% cheaper on the Steam Store. Gem Forge launched in 2016.
Gem Forge vs Caves and Castles: Underworld
Gem Forge and Caves and Castles: Underworld both land in Indie, Casual 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 Indie, Casual on Steam. Gem Forge (2016) is 3 years older than Caves and Castles: Underworld (2019). Gem Forge is currently ~86% cheaper on Steam than Caves and Castles: Underworld (0.99 USD vs. 6.99 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 Caves and Castles: Underworld
Choose Caves and Castles: Underworld if you want an Adventure experience. On Steam, it's the newer release (2019) and ships with the modern feature baseline. Caves and Castles: Underworld launched in 2019.
Both Gem Forge and Caves and Castles: Underworld sit in Indie and Casual 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
 Gem Forge |  Caves and Castles: Underworld | |
|---|---|---|
| Released | 2016 | 2019 |
| Genres | Indie, Casual | Indie, Adventure, Casual |
| Platforms | Windows | Windows |
| Steam Deck | Unrated | Unrated |
| Price | 0.99 USD | 6.99 USD |
| Steam reviews | 96.6% positive (29 reviews) | 5 reviews |
| Multiplayer | Single-player only | Single-player only |
| Developers | Bogemic Games | Amegami |
Side by side
- Both share Indie, Casual on Steam.
- Gem Forge (2016) is 3 years older than Caves and Castles: Underworld (2019).
- Gem Forge is currently ~86% cheaper on Steam than Caves and Castles: Underworld (0.99 USD vs. 6.99 USD).
Gem Forge vs Caves and Castles: Underworld — FAQ
- Should I play Gem Forge or Caves and Castles: Underworld first?
- If you want chronology, Gem Forge (2016) came out before Caves and Castles: Underworld (2019). 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 Gem Forge and Caves and Castles: Underworld similar?
- They overlap on Indie, Casual 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.