TheoryStream

TheoryStream is an El Kadsreian streaming service for video and games, operated by Theorysonic. The service primarily streams video games, films and television series of various genres, and it is available internationally in multiple languages. Users can pay monthly or yearly to stream games of various genres (first-person shooters, RPGs, side-scrolling platform, 4X, fighting games, beat-em up, etc.) and/or films and television series (drama, comedy, sitcom, action, documentary, anime/kadsreanime, donghua, aenimo, horror, slice-of-life, fantasy, etc.), as well as audiobooks.

The service competes with Netflix, Amazon Prime Video, BBC iPlayer, Disney+, HBO MAX, Nvidia GeForce Now, PlayStation Plus, XBox Cloud Gaming and Google Stadia.

History
Originally as an extension to TheoryMedia, it was designed to curb video and game piracy.