Please assist me with the following questions: 15. Which of the following X-Box games helped to launch Microsoft’s gaming console to the top of the market, alongside Sony PlayStation and Nintendo’s Game Cube?
a) Halo 2
b) Portal
c) Quake
d) Guitar Hero

17. The idea of shipping out smaller versioins of the games and following it with expansion packs was first introduced with which of the following games?
a) Blade and Soul
b) The Sims
c) Portal
d) World of warcraft

18. Wii Sports was unique in the way that it allowed a player to .
a) play any one of five well-known games without need for instructions
b) participate in a simulation of a sporting event, such as an NBA match
c) could be played by up to 15 gamers at the same time
d) it specifically targeted the older generation, which until that time was not considered by gaming companies.

19. All EXEPT which of the following innovations contributed to making Halo one of the most successful and iconic games of all time?
a) zoom-in control stick
b) regenerating health bars
c) Use of an unlimited number of weapons
d) Matchmaking system that would pair players of similar levels

20. Portal, release in 2007 by Valve studios, can be categorized as a
a) First person shooter game
b) Puzzle game
c) Massively Multiplayer online game (MMO)
d) role-playing game