Choose Underground Keeper
Choose Underground Keeper if you want the Steam Leaderboards side of the pairing. On Steam, it's currently about 29% cheaper on the Steam Store. Underground Keeper launched in 2016.
Underground Keeper vs Hexagun
Underground Keeper and Hexagun 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. Underground Keeper (2016) is 3 years older than Hexagun (2019). Underground Keeper is currently ~29% cheaper on Steam than Hexagun (4.99 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 Hexagun
Choose Hexagun if you want the Custom Volume Controls, Playable without Timed Input, and Keyboard Only Option side of the pairing. On Steam, it's the newer release (2019) and ships with the modern feature baseline. Hexagun launched in 2019.
Both Underground Keeper and Hexagun 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
 Underground Keeper |  Hexagun | |
|---|---|---|
| Released | 2016 | 2019 |
| Genres | Indie, Casual | Indie, Casual |
| Platforms | Windows | Windows |
| Steam Deck | Unrated | Unrated |
| Price | 4.99 USD | 6.99 USD |
| Steam reviews | 62.5% positive (16 reviews) | 4 reviews |
| Multiplayer | Single-player only | Single-player only |
| Developers | Render System | GraphXGames |
Side by side
- Both share Indie, Casual on Steam.
- Underground Keeper (2016) is 3 years older than Hexagun (2019).
- Underground Keeper is currently ~29% cheaper on Steam than Hexagun (4.99 USD vs. 6.99 USD).
Underground Keeper vs Hexagun — FAQ
- Should I play Underground Keeper or Hexagun first?
- If you want chronology, Underground Keeper (2016) came out before Hexagun (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 Underground Keeper and Hexagun 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.