Choose Sirius
Choose Sirius if it's a focused single-player run rather than a multiplayer commitment. Sirius launched in 2015.
Sirius vs SPACERIFT: Arcanum System
Sirius and SPACERIFT: Arcanum System both land in Action, 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 Action, Indie, Adventure on Steam. Sirius (2015) is 5 years older than SPACERIFT: Arcanum System (2020). Both sit near 54% positive on Steam (Sirius: 69 reviews, SPACERIFT: Arcanum System: 28). 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 SPACERIFT: Arcanum System
Choose SPACERIFT: Arcanum System if you want a Massively Multiplayer and RPG game with Multi-player, MMO, and Online PvP. On Steam, it's the newer release (2020) and ships with the modern feature baseline. SPACERIFT: Arcanum System launched in 2020.
Both Sirius and SPACERIFT: Arcanum System sit in Action, Indie, and Adventure on Steam, so either pick lands in the same broad neighborhood. Steam reviews are nearly tied (53.6% vs 53.6% positive), so genre fit is the cleanest tiebreaker — scroll the table for the feature-by-feature view.
Side-by-side comparison
 Sirius |  SPACERIFT: Arcanum System | |
|---|---|---|
| Released | 2015 | 2020 |
| Genres | Action, Indie, Adventure, Simulation, Early Access | Action, Indie, Adventure, Simulation, Massively Multiplayer, RPG, Early Access |
| Platforms | Windows | Windows |
| Steam Deck | Unrated | Deck Playable |
| Price | Price unknown | 19.99 USD |
| Steam reviews | 53.6% positive (69 reviews) | 53.6% positive (28 reviews) |
| Multiplayer | Single-player only | Multi-player, Online Co-op, Co-op |
| Developers | Digital Dawn Studios | Arcanum Team |
Side by side
- Both share Action, Indie, Adventure on Steam.
- Sirius (2015) is 5 years older than SPACERIFT: Arcanum System (2020).
- Both sit near 54% positive on Steam (Sirius: 69 reviews, SPACERIFT: Arcanum System: 28).
- SPACERIFT: Arcanum System has co-op; Sirius does not.
- SPACERIFT: Arcanum System is Deck Playable on Steam Deck; Sirius has no Deck rating yet.
Sirius vs SPACERIFT: Arcanum System — FAQ
- Should I play Sirius or SPACERIFT: Arcanum System first?
- If you want chronology, Sirius (2015) came out before SPACERIFT: Arcanum System (2020). 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 Sirius and SPACERIFT: Arcanum System similar?
- They overlap on Action, 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 Sirius have multiplayer like SPACERIFT: Arcanum System?
- No. SPACERIFT: Arcanum System supports multiplayer on Steam (Multi-player, Online Co-op, Co-op), while Sirius is listed as single-player only.