Choose Space Adventure - Escape from Siphilus 1b
Choose Space Adventure - Escape from Siphilus 1b if you want a Casual experience. Space Adventure - Escape from Siphilus 1b launched in 2022.
Space Adventure - Escape from Siphilus 1b vs Welcome To Mars 9
Space Adventure - Escape from Siphilus 1b and Welcome To Mars 9 both land in 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 Indie, Adventure on Steam. Space Adventure - Escape from Siphilus 1b (2022) is 4 years older than Welcome To Mars 9 (2026). 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 Welcome To Mars 9
Choose Welcome To Mars 9 if you want the Custom Volume Controls, Playable without Timed Input, and Keyboard Only Option side of the pairing. On Steam, it's the newer release (2026) and ships with the modern feature baseline. Welcome To Mars 9 launched in 2026.
Both Space Adventure - Escape from Siphilus 1b and Welcome To Mars 9 sit in 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
 Space Adventure - Escape from Siphilus 1b |  Welcome To Mars 9 | |
|---|---|---|
| Released | 2022 | 2026 |
| Genres | Indie, Adventure, Casual | Indie, Adventure |
| Platforms | Windows | Windows |
| Steam Deck | Unrated | Unrated |
| Price | 5.99 USD | Price unknown |
| Steam reviews | 1 reviews | — |
| Multiplayer | Single-player only | Single-player only |
| Developers | 3Dvisual | Sonomio Games |
Side by side
- Both share Indie, Adventure on Steam.
- Space Adventure - Escape from Siphilus 1b (2022) is 4 years older than Welcome To Mars 9 (2026).
Space Adventure - Escape from Siphilus 1b vs Welcome To Mars 9 — FAQ
- Should I play Space Adventure - Escape from Siphilus 1b or Welcome To Mars 9 first?
- If you want chronology, Space Adventure - Escape from Siphilus 1b (2022) came out before Welcome To Mars 9 (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 Space Adventure - Escape from Siphilus 1b and Welcome To Mars 9 similar?
- They overlap on 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.