Choose Sirius
Choose Sirius if you want an Action experience. On Steam, it's a focused single-player run rather than a multiplayer commitment. Sirius launched in 2015.
Sirius vs Astravek
Sirius and Astravek both land in Indie, Adventure, 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, Adventure, Simulation on Steam. Astravek has co-op; Sirius does not. 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 Astravek
Choose Astravek if you want a Massively Multiplayer and RPG game with Multi-player, MMO, and Online PvP. On Steam, it has co-op, so you can bring a friend.
Both Sirius and Astravek sit in Indie, Adventure, 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
 Sirius |  Astravek | |
|---|---|---|
| Released | 2015 | — |
| Genres | Action, Indie, Adventure, Simulation, Early Access | Indie, Adventure, Simulation, Massively Multiplayer, RPG, Early Access |
| Platforms | Windows | Windows, Linux |
| Steam Deck | Unrated | Unrated |
| Price | Price unknown | Price unknown |
| Steam reviews | 53.6% positive (69 reviews) | — |
| Multiplayer | Single-player only | Multi-player, Cross-Platform Multiplayer, Online Co-op |
| Developers | Digital Dawn Studios | Moonpixelgames, Gamedev_Chris |
Side by side
- Both share Indie, Adventure, Simulation on Steam.
- Astravek has co-op; Sirius does not.
Sirius vs Astravek — FAQ
- Are Sirius and Astravek similar?
- They overlap on Indie, Adventure, 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 Sirius have multiplayer like Astravek?
- No. Astravek supports multiplayer on Steam (Multi-player, Cross-Platform Multiplayer, Online Co-op), while Sirius is listed as single-player only.