Choose Spiritus Astrum
Choose Spiritus Astrum if you want a RPG and Early Access game with Multi-player, Online Co-op, and Playable without Timed Input. On Steam, it's currently about 25% cheaper on the Steam Store. Spiritus Astrum launched in 2026.
Spiritus Astrum vs Flight 666
Spiritus Astrum and Flight 666 both land in Indie, Simulation 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, Simulation on Steam. Flight 666 (2023) is 3 years older than Spiritus Astrum (2026). Spiritus Astrum is currently ~25% cheaper on Steam than Flight 666 (3.74 USD vs. 4.99 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 Flight 666
Choose Flight 666 if you want a Casual experience. On Steam, it's a focused single-player run rather than a multiplayer commitment. Flight 666 launched in 2023.
Both Spiritus Astrum and Flight 666 sit in Indie and Simulation 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
 Spiritus Astrum |  Flight 666 | |
|---|---|---|
| Released | 2026 | 2023 |
| Genres | Indie, Simulation, RPG, Early Access | Indie, Simulation, Casual |
| Platforms | Windows | Windows |
| Steam Deck | Unrated | Unrated |
| Price | 3.74 USD | 4.99 USD |
| Steam reviews | 80% positive (15 reviews) | 1 reviews |
| Multiplayer | Multi-player, Online Co-op, Co-op | Single-player only |
| Developers | Phoenix Game Development | Shawn Kilian |
Side by side
- Both share Indie, Simulation on Steam.
- Flight 666 (2023) is 3 years older than Spiritus Astrum (2026).
- Spiritus Astrum is currently ~25% cheaper on Steam than Flight 666 (3.74 USD vs. 4.99 USD).
- Spiritus Astrum has co-op; Flight 666 does not.
Spiritus Astrum vs Flight 666 — FAQ
- Should I play Spiritus Astrum or Flight 666 first?
- If you want chronology, Flight 666 (2023) came out before Spiritus Astrum (2026). 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 Spiritus Astrum and Flight 666 similar?
- They overlap on Indie, Simulation 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 Flight 666 have multiplayer like Spiritus Astrum?
- No. Spiritus Astrum supports multiplayer on Steam (Multi-player, Online Co-op, Co-op), while Flight 666 is listed as single-player only.