Quick answer
Quick answer
Professional Ship Simulator emphasizes detailed ship systems and lists single-player. Seafarer currently advertises shared crews of up to four players.
Read the guideAt a glance
At a glance
| Item | Details |
|---|---|
| Professional Ship Simulator | SWE Systems / Aerosoft; Steam lists single-player |
| Seafarer: The Ship Sim | Solo or online co-op; up to four players |
Guide notes
Choose the experience you need
For playing with friends, Seafarer’s explicit co-op feature is a concrete distinction. For learning detailed bridge systems, Professional Ship Simulator’s official design is worth evaluating through its demo. This compares advertised features; it does not rank physics quality or performance without hands-on testing.
Guide notes
Do not mix release announcements
These titles have different developers and release schedules. Professional Ship Simulator’s planned Steam Early Access date is September 16, 2026. Seafarer has its own existing Steam release and update history. A trailer, port or roadmap for one game is not evidence for the other.
Questions & limits
Questions & limits
Make a shortlist without a fake score
Write down your must-haves: solo or shared crew, controller setup, operating-system support and available ships. Compare those with each live store page. Prices, player ratings and current content can change, so no stale score or sale price is embedded in this comparison.
Sources
Last checked: 2026-09-13