Overall:
https://twitter.com/Steam_Spy/status/630819775615225858
Steam ownership changes between 01.07.2015 and 01.08.2015:
Excluded titles: Ultra Street Fighter IV (free weekend), Race The Sun (free to keep weekend), Mercenary Kings, Fallen Enchantress: Legendary Heroes, Outland, The Stanley Parable (all four were in Humble Bundle), No Time To Explain Remastered (free to owners of No Time To Explain)
Steam ownership changes between 01.07.2015 and 01.08.2015 for games released in July:
Bonus:
Steam ownership changes between 01.06.2015 and 01.07.2015 (aka Steam Summer Sale month):
Steam ownership changes between 01.05.2015 and 01.06.2015 (aka Witcher 3 release):
Excluded titles: Chivalry: Medieval Warfare (free weekend)
Steam ownership changes between 01.04.2015 and 01.05.2015 (aka GTA V release):
Excluded titles: Block N Load (free weekend), Call of Duty: Advanced Warfare - Multiplayer (free weekend), DiRT 3 Complete Edition (free upgrade for owners of DiRT 3 GFWL)
https://twitter.com/Steam_Spy/status/630819775615225858
https://twitter.com/Steam_Spy/status/630819922281689088In the last four months there were at least 107 million copies of games sold on Steam.
Probably more, but I had to exclude all the games from free weekends and games that sold less than a 1000 copies.
Steam ownership changes between 01.07.2015 and 01.08.2015:
Code:
1.) Rocket League (577,295, price $19.99, max discount 0%)
2.) Counter-Strike: Global Offensive (405,702, price $14.99, max discount 0%)
3.) ARK: Survival Evolved (373,917, price $29.99, max discount 20%)
4.) Terraria (241,124, price $9.99, max discount 25%)
5.) The Elder Scrolls V: Skyrim (160,146, price $19.99, max discount 66%)
6.) Grand Theft Auto V (152,904, price $59.99, max discount 33%)
7.) Garry's Mod (147,492, price $9.99, max discount 75%)
8.) Don't Starve Together (129,964, price $14.99, max discount 20%)
9.) Borderlands (111,289, price $19.99, max discount 0%)
10.) Fallout: New Vegas (102,544, price $19.99, max discount 66%)
Steam ownership changes between 01.07.2015 and 01.08.2015 for games released in July:
Code:
1.) Rocket League (577,295, price $19.99, max discount 0%)
2.) Five Nights at Freddy's 4 (99,059, price $7.99, max discount 0%)
3.) NotGTAV (64,301, price $2.99, max discount 75%)
4.) Guild of Dungeoneering (35,705, price $14.99, max discount 0%)
5.) Secrets of Grindea (23,856, price $14.99, max discount 0%)
6.) Way of the Samurai 4 (22,118, price $24.99, max discount 40%)
7.) Holy Potatoes! A Weapon Shop! (21,012, price $14.99, max discount 20%)
8.) oO (13,745, price $0.99, max discount 0%)
9.) Dungeon Souls (13,271, price $9.99, max discount 50%)
10.) Interstellaria (12,007, price $9.99, max discount 0%)
Bonus:
Steam ownership changes between 01.06.2015 and 01.07.2015 (aka Steam Summer Sale month):
Code:
1.) Don't Starve Together (1,626,578, price $14.99, max discount 33%)
2.) Counter-Strike: Global Offensive (1,364,986, price $14.99, max discount 50%)
3.) ARK: Survival Evolved (895,428, price $29.99, max discount 17%)
4.) Left 4 Dead 2 (675,000, price $19.99, max discount 80%)
5.) Skullgirls (616,907, price $14.99, max discount 85%)
6.) DiggerOnline (455,151, price $9.99, max discount 0%)
7.) Fallout: New Vegas (448,239, price $9.99, max discount 75%)
8.) Castle Crashers (423,009, price $14.99, max discount 90%)
9.) Portal 2 (409,910, price $19.99, max discount 75%)
10.) Fallout 3 (377,803, price $19.99, max discount 66%)
Steam ownership changes between 01.05.2015 and 01.06.2015 (aka Witcher 3 release):
Code:
1.) The Witcher 3: Wild Hunt (569,311, price $59.99, max discount 10%) [b]includes pre-orders, also note that the game was mainly promoted as a GOG.com title. Steam version could have only been bought on Steam, at premium[/b]
2.) Counter-Strike: Global Offensive (501,982, price $14.99, max discount 0%)
3.) The Witcher 2: Assassins of Kings (340,495, price $19.99, max discount 85%)
4.) Grand Theft Auto V (276,475, price $59.99, max discount 0%)
5.) ORION: Prelude (253,562, price $0.99, max discount 25%)
6.) The Witcher (250,625, price $9.99, max discount 85%)
7.) Arma 3 (170,343, price $59.99, max discount 50%)
8.) Dead Island Riptide (163,670, price $14.99, max discount 75%)
9.) Star Wars: Battlefront II (148,297, price $9.99, max discount 70%)
10.) Star Wars: Empire at War (132,443, price $19.99, max discount 70%)
Steam ownership changes between 01.04.2015 and 01.05.2015 (aka GTA V release):
Code:
1.) Grand Theft Auto V (2,122,845, price $59.99, max discount 0%) [b]includes pre-orders, also note that the game was mainly promoted as a RGSC title. Steam version could have only been bought on Steam, at premium[/b]
2.) Dungeon of the Endless (1,707,591, price $12.99, max discount 50%)
3.) Killing Floor 2 (297,459, price $29.99, max discount 0%)
4.) Counter-Strike: Global Offensive (295,726, price $14.99, max discount 0%)
5.) Dead Space 2 (284,798, price $19.99, max discount 75%)
6.) Mass Effect 2 (271,645, price $19.99, max discount 75%)
7.) Blockstorm (253,606, price $11.99, max discount 0%) [b]includes EA purchases[/b]
8.) Cities: Skylines (247,898, price $29.99, max discount 0%)
9.) Mortal Kombat X (221,213, price $59.99, max discount 0%) [b]includes pre-orders[/b]
10.) Dragon Age: Origins (212,804, price $19.99, max discount 75%)