Steam results for September:
Total copies sold: 70,359,628
Total copies sold excluding free weekends and free to keep deals: 28,333,095
Average price: $11.47
Average discount: 16.61%
1.) METAL GEAR SOLID V: THE PHANTOM PAIN (691,086, LTD: 691,086, price $59.99, lowest price $50.77)
2.) Counter-Strike: Global Offensive (488,432, LTD: 16,424,907, price $14.99, lowest price $14.99)
3.) Mad Max (363,606, LTD: 363,606, price $59.99, lowest price $22.97)
4.) Rocket League (255,656, LTD: 1,414,075, price $19.99, lowest price $19.99)
5.) Left 4 Dead 2 (179,559, LTD: 13,046,655, price $19.99, lowest price $9.99)
6.) Terraria (177,622, LTD: 6,699,031, price $9.99, lowest price $2.49)
7.) H1Z1 (127,188, LTD: 1,779,793, price $19.99, lowest price $14.99)
8.) Garry's Mod (124,547, LTD: 9,750,976, price $9.99, lowest price $9.99)
9.) Chivalry: Medieval Warfare (116,491, LTD: 3,143,667, price $24.99, lowest price $4.99)
10.) Middle-earth: Shadow of Mordor (115,540, LTD: 1,433,546, price $49.99, lowest price $15.25)
11.) Call of Duty: Black Ops II (112,167, LTD: 2,602,246, price $59.99, lowest price $16.81)
12.) Borderlands 2 (110,669, LTD: 5,574,198, price $19.99, lowest price $4.99)
13.) Grand Theft Auto V (109,061, LTD: 3,020,980, price $59.99, lowest price $37.19)
14.) METAL GEAR SOLID V: GROUND ZEROES (100,929, LTD: 583,411, price $19.99, lowest price $8.00)
15.) DARK SOULS II: Scholar of the First Sin (99,333, LTD: 402,547, price $49.99, lowest price $24.99)