Choose Astra Protocol 2
Choose Astra Protocol 2 if it's a focused single-player run rather than a multiplayer commitment. Astra Protocol 2 launched in 2022.
Astra Protocol 2 vs Space Travellers
Astra Protocol 2 and Space Travellers both land in Action, Strategy, 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, Strategy, Adventure on Steam. Space Travellers has co-op; Astra Protocol 2 does not. Astra Protocol 2 is Deck Playable on Steam Deck; Space Travellers has no Deck rating yet. 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 an Indie and Early Access 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 Astra Protocol 2 and Space Travellers sit in Action, Strategy, 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
 Astra Protocol 2 |  Space Travellers | |
|---|---|---|
| Released | 2022 | — |
| Genres | Action, Strategy, Adventure, Simulation | Action, Strategy, Indie, Adventure, Simulation, Early Access |
| Platforms | Windows | Windows |
| Steam Deck | Deck Playable | Unrated |
| Price | 6.99 USD | Price unknown |
| Steam reviews | 82.9% positive (35 reviews) | — |
| Multiplayer | Single-player only | Multi-player, Shared/Split Screen Co-op, Co-op |
| Developers | Slice Bar Games | Lonely Man |
Side by side
- Both share Action, Strategy, Adventure on Steam.
- Space Travellers has co-op; Astra Protocol 2 does not.
- Astra Protocol 2 is Deck Playable on Steam Deck; Space Travellers has no Deck rating yet.
Astra Protocol 2 vs Space Travellers — FAQ
- Are Astra Protocol 2 and Space Travellers similar?
- They overlap on Action, Strategy, 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 Astra Protocol 2 have multiplayer like Space Travellers?
- No. Space Travellers supports multiplayer on Steam (Multi-player, Shared/Split Screen Co-op, Co-op), while Astra Protocol 2 is listed as single-player only.
- Does Astra Protocol 2 run on Steam Deck?
- Yes — Astra Protocol 2 is rated Deck Playable by Valve. Space Travellers doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.