Choose Caveman World: Mountains of Unga Boonga
Choose Caveman World: Mountains of Unga Boonga if it's currently about 50% cheaper on the Steam Store. Caveman World: Mountains of Unga Boonga launched in 2016.
Caveman World: Mountains of Unga Boonga vs The Hardest Thing
Caveman World: Mountains of Unga Boonga and The Hardest Thing both land in Indie, Adventure, 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, Adventure, Casual on Steam. Caveman World: Mountains of Unga Boonga (2016) is 2 years older than The Hardest Thing (2018). Caveman World: Mountains of Unga Boonga is currently ~50% cheaper on Steam than The Hardest Thing (1.99 USD vs. 3.99 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 The Hardest Thing
Choose The Hardest Thing if you want a Strategy experience. The Hardest Thing launched in 2018.
Both Caveman World: Mountains of Unga Boonga and The Hardest Thing sit in Indie, Adventure, and Casual on Steam and both list Steam Leaderboards, 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
 Caveman World: Mountains of Unga Boonga |  The Hardest Thing | |
|---|---|---|
| Released | 2016 | 2018 |
| Genres | Indie, Adventure, Casual | Strategy, Indie, Adventure, Casual |
| Platforms | Windows, macOS, Linux | Windows |
| Steam Deck | Deck Playable | Unrated |
| Price | 1.99 USD | 3.99 USD |
| Steam reviews | 72.1% positive (165 reviews) | 8 reviews |
| Multiplayer | Single-player only | Single-player only |
| Developers | GrabTheGames Studios | ChillFun |
Side by side
- Both share Indie, Adventure, Casual on Steam.
- Caveman World: Mountains of Unga Boonga (2016) is 2 years older than The Hardest Thing (2018).
- Caveman World: Mountains of Unga Boonga is currently ~50% cheaper on Steam than The Hardest Thing (1.99 USD vs. 3.99 USD).
- Caveman World: Mountains of Unga Boonga is Deck Playable on Steam Deck; The Hardest Thing has no Deck rating yet.
Caveman World: Mountains of Unga Boonga vs The Hardest Thing — FAQ
- Should I play Caveman World: Mountains of Unga Boonga or The Hardest Thing first?
- If you want chronology, Caveman World: Mountains of Unga Boonga (2016) came out before The Hardest Thing (2018). 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 Caveman World: Mountains of Unga Boonga and The Hardest Thing similar?
- They overlap on Indie, Adventure, 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.
- Does Caveman World: Mountains of Unga Boonga run on Steam Deck?
- Yes — Caveman World: Mountains of Unga Boonga is rated Deck Playable by Valve. The Hardest Thing doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.