STEAM GAMES DATA SALES AND USERS By Tian

STEAM GAMES DATA (SALES AND USERS) By: Tian Mao

STEAM • Steam was created in 2003 as the platform for Counter-strike • Written in: C++(PC), Java(Android), support 28 languages • World’s biggest PC game platform(75% of pc games)

TOP 10 GAMES RANK BY ESTIMATE REVENUE Game Name Sid Meier's Civilization VI Type Turn-based strategy New owner 1, 529, 898 Est. revenue $78, 913, 020 Grand Theft Auto V TPS, Action-adventure 2, 308, 366 $73, 632, 680 Counter-Strike: Global Offensive FPS 6, 733, 576 $67, 192, 990 DARK SOULS III Action role-playing 1, 335, 722 $63, 630, 874 DOOM(Doom 4) FPS 1, 608, 681 $55, 433, 183 Rise of the Tomb Raider Action-adventure 1, 303, 957 $54, 898, 279 Total War: WARHAMMER Turn-based strategy 1, 042, 843 $54, 792, 482 XCOM 2 1, 102, 603 $51, 479, 482 Tom Clancy's The Division Turn-based tactics Massively multiplayer online game 1, 100, 449 $49, 093, 877 No Man's Sky Action-adventure, survival 823, 363 $43, 274, 942 Mean: $59234180. 9 Standard Deviation: 11293468. 02893

TOP 12 GAMES RANK BY ACTUAL PLAYERS Player NO. Game Name Type Price Player (Launched In 2 weeks) 1 Dota 2 MOBA Free 10, 342, 927 ± 93, 791 2 Counter - Strike: Global Offensive FPS $14. 99 3 Team Fortress 2 FPS Free 9, 013, 697 ± 87, 717 1, 969, 373 ± 41, 395 4 Grand Theft Auto V TPS, Action-adventure $59. 99 1, 926, 377 ± 40, 943 5 Rocket League Sports $19. 99 1, 514, 938 ± 36, 329 6 Garry's Mod Sandbox $9. 99 1, 446, 555 ± 35, 503 7 Paladins FPS Free 1, 441, 066 ± 35, 435 8 Unturned Survival, FPS, TPS, Zombies Free 1, 165, 249 ± 31, 876 9 Left 4 Dead 2 FPS, Survival horror $19. 99 983, 658 ± 29, 294 10 H 1 Z 1: King of the kill Survival $19. 99 933, 800 ± 28, 544 11 Sid Meier's Civilization V Turn-based strategy $29. 99 756, 783 ± 25, 703 12 The Elder Scrolls V: Skyrim Action role-playing $19. 99 744, 661 ± 25, 496 Mean: 2686590 Standard Deviation: 3302724. 22595

TOP 5 GAMES SORT BY Z-SCORE (EST. REVENUE) • 1. Sid Meier’s Civilization VI • 2. Grand Auto Theft V Z-SCORE: 1. 7425 Z-SCORE: 1. 2749 • 3. Counter-Strike Global Offensive Z-SCORE: 0. 7047 • 4. DARK SOULS III Z-SCORE: 0. 3893 • 5. DOOM (Doom 4) Z-SCORE: -0. 3366

FACTORS AFFECT THE DATA • The release date of the Game • The company made the Game • The quality of the Game • The advertisement of the Game • The type of the Game • The price of the Game

Z-SCORE RANKING • Players always know the best • Players are the best advertisement for the game • People would pay for a game no matter how expansive it is, since the game is impressive. • The best seller, especially for games, are always the best game in that type.

Q 1: IF A COMPANY WANT TO INVEST A GAME WHICH THE ACTUAL PLAYER IS ABOVE 2, 000, WHICH IS THE PERCENTAGE OF THE GAMES HAVE MORE THEN 2, 000 PLAYERS IN PAST 2 WEEKS? • Z-SCORE: -0. 2079 • The area of Z-Score appear above -0. 2079 is 0. 5823 which is 58. 23% • So there are 58. 23% of games have more then 2, 000, 00 players in past 2 weeks

Q 2: WHEN IT COMES TO THE REVENUE OF THE GAMES, GABE NEWELL WANT TO KNOW WHAT IS THE PERCENTAGE THAT A GAME EARN MORE THEN THE MEAN ACCORDING TO THE CHART Game Name Sid Meier's Civilization VI Type Turn-based strategy New owner 1, 529, 898 Est. revenue $78, 913, 020 Grand Theft Auto V TPS, Action-adventure 2, 308, 366 $73, 632, 680 Counter-Strike: Global Offensive FPS 6, 733, 576 $67, 192, 990 DARK SOULS III Action role-playing 1, 335, 722 $63, 630, 874 DOOM(Doom 4) FPS 1, 608, 681 $55, 433, 183 Rise of the Tomb Raider Action-adventure 1, 303, 957 $54, 898, 279 Total War: WARHAMMER Turn-based strategy 1, 042, 843 $54, 792, 482 XCOM 2 1, 102, 603 $51, 479, 482 Tom Clancy's The Division Turn-based tactics Massively multiplayer online game 1, 100, 449 $49, 093, 877 No Man's Sky Action-adventure, survival 823, 363 $43, 274, 942 Mean: $59234180. 9 4 games earn more then the mean 4/10 = 40%

Q 3：A GAME COMPANY WANT TO RESEARCH THE PERCENTAGE OF THE GAMES ON STEAM HAVE THE REVENUE BELOW $65, 432, 100 • For this graph, Z-score is 0. 5488 • The shaded area is 0. 7084 which is 70. 84%

SOURCES • Image: http: //www. pcgamer. com/steam-user-breaks-level-1000/ • Sites: 1. https: //galyonk. in/steam-sales-in-2016 -def 2 a 8 ab 15 f 2#. ba 0 gqv 1 ld • 2. steamspy. com • 3. https: //en. wikipedia. org/wiki/Steam_(software) • 4. https: //www. easycalculation. com/ • 5. https: //en. wikipedia. org/wiki • 6. http: //onlinestatbook. com/2/calculators/normal_dist. html