- Name
- Daikoukai Jidai IV: Porto Estado
- Platform
- PC (Platform), PlayStation Portable (Platform), PlayStation (Platform), Android (Platform), Nintendo Switch (Platform), iPad (Platform), iPhone (Platform), Nintendo DS (Platform)
- Developer
- iNiS Corp. (Company)
- Publisher
- Koei (Company)
- Genre
- Strategy (Genre), Role-Playing (Genre)
- Theme
- Alternate Historical (Theme), Aquatic (Theme)
Daikoukai Jidai IV: Porto Estado
The fourth installment in Koei's nautical simulation rpg franchise "Uncharted Waters".
Also remade for PSP and DS as Daikoukai Jidai IV: Rota Nova.