Koei Tecmo ya sanar Uncharted Waters IV tare da Power-Up HD Version a gasar wasannin Tokyo ta bana.
Sabuwar ingantaccen tashar jiragen ruwa don Ruwan da ba a san shi ba IV: Porto Estado yana zuwa Windows PC da Nintendo Switch. Ba a tabbatar da ranar saki ba.
Ruwan da ba a tantance ba IV asali saki kamar yadda Ruwan da ba a san shi ba IV: Porto Estado a baya a cikin 1999 don Windows PC, sannan a sake sakin PlayStation daga baya a wannan shekarar. Daga baya an sake yin wasan don PlayStation Portable da Nintendo DS a cikin 2006.
