Choose Causality
Choose Causality if you want the Multi-player, Online PvP, and PvP side of the pairing. Causality launched in 2021.
Causality vs LUNA
Causality and LUNA both land in Indie, Adventure 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 on Steam. LUNA (2020) is 1 year older than Causality (2021). Causality scores higher on Steam reviews (95.7% positive) than LUNA (80% positive). 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 LUNA
Choose LUNA if you want a RPG and Casual experience. On Steam, it's currently about 86% cheaper on the Steam Store. LUNA launched in 2020.
Both Causality and LUNA sit in Indie and Adventure 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
 Causality |  LUNA | |
|---|---|---|
| Released | 2021 | 2020 |
| Genres | Indie, Adventure | Indie, Adventure, RPG, Casual |
| Platforms | Windows | Windows |
| Steam Deck | Unrated | Deck Playable |
| Price | 6.99 USD | 0.99 USD |
| Steam reviews | 95.7% positive (23 reviews) | 80% positive (70 reviews) |
| Multiplayer | Multi-player | Single-player only |
| Developers | WAFFLE GAMES | Simple |
Side by side
- Both share Indie, Adventure on Steam.
- LUNA (2020) is 1 year older than Causality (2021).
- Causality scores higher on Steam reviews (95.7% positive) than LUNA (80% positive).
- LUNA is currently ~86% cheaper on Steam than Causality (0.99 USD vs. 6.99 USD).
- LUNA is Deck Playable on Steam Deck; Causality has no Deck rating yet.
Causality vs LUNA — FAQ
- Should I play Causality or LUNA first?
- If you want chronology, LUNA (2020) came out before Causality (2021). 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 Causality and LUNA similar?
- They overlap on Indie, Adventure 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 LUNA have multiplayer like Causality?
- No. Causality supports multiplayer on Steam (Multi-player), while LUNA is listed as single-player only.