Choose Sirius
Choose Sirius if it's a focused single-player run rather than a multiplayer commitment. Sirius launched in 2015.
Sirius vs Space Travellers
Sirius and Space Travellers 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. Space Travellers 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 Space Travellers
Choose Space Travellers if you want a Strategy game with Multi-player, Shared/Split Screen, and Shared/Split Screen Co-op. On Steam, it has co-op, so you can bring a friend.
Both Sirius and Space Travellers sit in Action, 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
 Sirius |  Space Travellers | |
|---|---|---|
| Released | 2015 | — |
| Genres | Action, Indie, Adventure, Simulation, Early Access | Action, Strategy, Indie, Adventure, Simulation, Early Access |
| Platforms | Windows | Windows |
| Steam Deck | Unrated | Unrated |
| Price | Price unknown | Price unknown |
| Steam reviews | 53.6% positive (69 reviews) | — |
| Multiplayer | Single-player only | Multi-player, Shared/Split Screen Co-op, Co-op |
| Developers | Digital Dawn Studios | Lonely Man |
Side by side
- Both share Action, Indie, Adventure on Steam.
- Space Travellers has co-op; Sirius does not.
Sirius vs Space Travellers — FAQ
- Are Sirius and Space Travellers 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 Space Travellers?
- No. Space Travellers supports multiplayer on Steam (Multi-player, Shared/Split Screen Co-op, Co-op), while Sirius is listed as single-player only.