ultrarealistic
adjective
ul·tra·re·al·is·tic ˌəl-trə-ˌrē-ə-ˈli-stik 
variants or less commonly ultrarealist
ˌəl-trə-ˈrē-ə-list
: extremely realistic: such as
a
: very accurately representing what is natural or real
an ultrarealistic video game
ultrarealistic special effects
An entire chapter dedicated to Eakins's ultrarealist operating room depiction, The Gross Clinic (1875) proves illuminating all the way through. 
Publishers Weekly Reviews
: very convincingly rendered to appear natural Publishers Weekly Reviewsan ultrarealistic prosthetic arm
b
: extremely pragmatic or sensible : guided by or based on an unusually clear sense of what is real rather than what is wanted or hoped for
an ultrarealistic person/strategy
ultrarealism
ˌəl-trə-ˈrē-ə-ˌli-zəm
noun Modern sports games are realistic simulations of actual league play. … Thanks to such ultrarealism, young gamers become experts in baseball, and any other sport games they play. Christopher Shulgan
Christopher Shulgan ultrarealist noun
plural ultrarealists
It was after she returned that [Jane] Mabry began painting portraits and American Indians as subject matter, the art for which she became widely known. "She was an ultrarealist," Gwenyth Mabry said, noting that she worked mainly in pastels and oils. Lloyd Jojola
Lloyd Jojola 
Word History
First Known Use
1859, in the meaning defined above