Choose Mushihimesama
Choose Mushihimesama if you want the Multi-player and Shared/Split Screen side of the pairing. Mushihimesama launched in 2015.
Mushihimesama vs Aeternum
Mushihimesama and Aeternum both land in Action 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 are Action games on Steam. Mushihimesama (2015) is 2 years older than Aeternum (2017). Aeternum is currently ~70% cheaper on Steam than Mushihimesama (5.99 USD vs. 19.99 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 Aeternum
Choose Aeternum if you want an Indie experience. On Steam, it's currently about 70% cheaper on the Steam Store. Aeternum launched in 2017.
Both Mushihimesama and Aeternum sit in Action 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
 Mushihimesama |  Aeternum | |
|---|---|---|
| Released | 2015 | 2017 |
| Genres | Action | Action, Indie |
| Platforms | Windows | Windows |
| Steam Deck | Deck Playable | Unrated |
| Price | 19.99 USD | 5.99 USD |
| Steam reviews | 97.1% positive (768 reviews) | 9 reviews |
| Multiplayer | Multi-player | Single-player only |
| Developers | CAVE Interactive CO.,LTD. | Creaky Lantern Games |
Side by side
- Both are Action games on Steam.
- Mushihimesama (2015) is 2 years older than Aeternum (2017).
- Aeternum is currently ~70% cheaper on Steam than Mushihimesama (5.99 USD vs. 19.99 USD).
- Mushihimesama is Deck Playable on Steam Deck; Aeternum has no Deck rating yet.
Mushihimesama vs Aeternum — FAQ
- Should I play Mushihimesama or Aeternum first?
- If you want chronology, Mushihimesama (2015) came out before Aeternum (2017). 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 Mushihimesama and Aeternum similar?
- They overlap on Action 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 Aeternum have multiplayer like Mushihimesama?
- No. Mushihimesama supports multiplayer on Steam (Multi-player), while Aeternum is listed as single-player only.
- Does Mushihimesama run on Steam Deck?
- Yes — Mushihimesama is rated Deck Playable by Valve. Aeternum doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.