Choose Radium 2
Choose Radium 2 if it's currently about 25% cheaper on the Steam Store. Radium 2 launched in 2017.
Radium 2 vs Escape from the Marble Monster
Radium 2 and Escape from the Marble Monster both land in Action, Indie 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 on Steam. Radium 2 (2017) is 6 years older than Escape from the Marble Monster (2023). Radium 2 is currently ~25% cheaper on Steam than Escape from the Marble Monster (2.99 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 Escape from the Marble Monster
Choose Escape from the Marble Monster if you want a Casual experience. On Steam, it's the newer release (2023) and ships with the modern feature baseline. Escape from the Marble Monster launched in 2023.
Both Radium 2 and Escape from the Marble Monster sit in Action and Indie 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
 Radium 2 |  Escape from the Marble Monster | |
|---|---|---|
| Released | 2017 | 2023 |
| Genres | Action, Indie | Action, Indie, Casual |
| Platforms | Windows, macOS, Linux | Windows |
| Steam Deck | Unrated | Unrated |
| Price | 2.99 USD | 3.99 USD |
| Steam reviews | 7 reviews | 3 reviews |
| Multiplayer | Single-player only | Single-player only |
| Developers | Develobster | Elio Ruben Studios |
Side by side
- Both share Action, Indie on Steam.
- Radium 2 (2017) is 6 years older than Escape from the Marble Monster (2023).
- Radium 2 is currently ~25% cheaper on Steam than Escape from the Marble Monster (2.99 USD vs. 3.99 USD).
Radium 2 vs Escape from the Marble Monster — FAQ
- Should I play Radium 2 or Escape from the Marble Monster first?
- If you want chronology, Radium 2 (2017) came out before Escape from the Marble Monster (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 Radium 2 and Escape from the Marble Monster similar?
- They overlap on Action, Indie 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.