Short answers, pulled from the story.
An action game genre emphasizes physical challenges including hand-eye coordination and reaction time. Players navigate levels while collecting objects, avoiding obstacles, and battling enemies with natural skills.
Taito released Space Invaders in 1978 which marked the beginning of the golden age of arcade video games. Tomohiro Nishikado designed the game drawing inspiration from Atari's Breakout and science fiction genre.
Sega AM2 produced Virtua Fighter in 1993 using 3D arcade system boards originally designed for racing games. The industry shifted toward real-time 3D environments throughout the decade allowing for more complex gameplay experiences.
College students playing Unreal Tournament improved performance in eye examinations by about 20% over a month compared to Tetris players. Scientists at the University of Rochester conducted tests showing people can improve eyesight by playing action video games.
Capcom released Street Fighter II in 1991 which popularized direct tournament-level competition between two players. John Romero created deathmatch mode in id Software's Doom in 1993 inspired by Street Fighter II.