Choose Themes of Dark and Light
Choose Themes of Dark and Light if it matches what drew you to this matchup. Themes of Dark and Light launched in 2021.
Themes of Dark and Light vs Radium Lux
Themes of Dark and Light and Radium Lux 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. Themes of Dark and Light (2021) is 4 years older than Radium Lux (2025). Radium Lux is currently ~29% cheaper on Steam than Themes of Dark and Light (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 Radium Lux
Choose Radium Lux if you want an Action experience. On Steam, it's currently about 29% cheaper on the Steam Store. Radium Lux launched in 2025.
Both Themes of Dark and Light and Radium Lux sit in Indie 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
 Themes of Dark and Light |  Radium Lux | |
|---|---|---|
| Released | 2021 | 2025 |
| Genres | Indie, Casual | Action, Indie, Casual |
| Platforms | Windows | Windows |
| Steam Deck | Unrated | Unrated |
| Price | 6.99 USD | 4.99 USD |
| Steam reviews | 1 reviews | 3 reviews |
| Multiplayer | Single-player only | Single-player only |
| Developers | Carriage Developed | Lukas Jaeckel |
Side by side
- Both share Indie, Casual on Steam.
- Themes of Dark and Light (2021) is 4 years older than Radium Lux (2025).
- Radium Lux is currently ~29% cheaper on Steam than Themes of Dark and Light (4.99 USD vs. 6.99 USD).
Themes of Dark and Light vs Radium Lux — FAQ
- Should I play Themes of Dark and Light or Radium Lux first?
- If you want chronology, Themes of Dark and Light (2021) came out before Radium Lux (2025). 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 Themes of Dark and Light and Radium Lux 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.