Steam API漏洞泄露551款VR独占游戏的销量数据

文章相关引用及参考:arstechnica

只代表Steam上包含“成就系统”的小部分游戏

映维网 2018年07月07日)早前有人发现了Valve的API存在一个漏洞,其允许第三方生成非常精确的Steam游戏总玩家数量。尽管目前Valve已经修复了这个漏洞,但Ars Technica为我们提供了漏洞修复前的数据。

映维网利用Ars Technica提供的数据统计出551款VR独占游戏的销量(时间截止2018年7月1日),其中最高的VR游戏是免费开玩的社交沙箱游戏《Rec Room》,安装量为316036。《Beat Saber》和《VRChat》(非VR独占)同样没有列出,但这显然是因为游戏缺少Steam成就。

《终结将至》的开发者泰勒·格雷尔(Tyler Glaiel)在博文中解释了这种新的数据推到方法。简单而言,这是根据游戏在“Steam成就”上的玩家比例进行计算。在Steam官网上,这个数据显示为四位小数。但在Steam API中,成就的百分比达到非常精确的16位小数。

这种精确度意味着许多成就百分比只能联系至特定的整数(这非常有用,因为每款游戏的玩家数量必须是一个整数)。根据多个成就的计算,我们可以计算出所有百分比的高精确公分母。这个分母代表成就百分比的总玩家基数,而这个过程允许我们进行逆向计算。

详细计算方法见Using achievement stats to estimate sales on steam

格雷尔指出,他的游戏在成就百分比上的数据是0.012782207690179348%,经计算后为8:62587(成就数8,总人数62587),无需任何的四舍五入。

因为这是直接根据Steam API进行推导计算,所以数据比原来Steam Spy/Steam Gauge的方法(根据小部分Steam玩家基数的随机采样)更为精确。但这种方法只适用于包含开发者定义成就的游戏,而Steam上约23000款内容中只有13000款左右这样的游戏。

在7月4日,Valve更新了Steam API,而提供的成就百分比在精度上更为粗略,同时切断了这种新数据来源。在不久前,Valve开始保护个人的Steam数据,切断了Steam Spy和Steam Gauge原来的估计方法。Valve的商业开发负责人Jan-Peter Ewert日前表示,他们正在研发“更为准确的”方法,用以帮助用户和开发者获取“Steam的数据”。

Valve关闭这个成就数据漏洞之前,Steam Spy的创始人Sergey Galyonkin将这种方法集成至Steam Spy所使用的机器学习算法之中,并于日前公开了具体的数字。作为一项公共服务,而且得到了Galyonkin 允许,Ars Technica向我们公开了相关的Exel文件表(点击下载)

除了能够满足粉丝的好奇心之外,这种数据可以帮助我们进一步理解PC游戏市场的情况。这种数据对其他娱乐行业而言似乎是理想当然的事情,比如影视行业所提供的票房数据和收视率数据,但对于游戏行业而言,这种数据总是隐藏在平台方的手里。

Valve的Ewert最近在圣彼得堡的游戏大会上指出:“我们赚钱的唯一途径是,你们做出正确的决定并把正确的游戏带到平台,并且找到你们的受众。”就目前而言,这个数据可以帮助我们进一步理解游戏是如何找到具体的受众。

值得注意的是,这只是代表了Steam上包含成就系统的小部分游戏,时间截止2018年7月1日,由Steal Spy的Sergey Galyonkin统计。这种数据是根据Steam API提供的成就百分比数据计算得出,所以不包括缺乏成就系统的游戏。尽管如此,我们仍然非常高兴能够获得一份相对精确的Steam游戏统计数据。


截止2018年7月1日

游戏名销量
Rec Room316036
Job Simulator203196
NVIDIA VR Funhouse190329
Space Pirate Trainer179033
SUPERHOT VR158697
Vanishing Realms107763
The Gallery - Episode 1: Call of the Starseed92049
Skeet: VR Target Shooting75301
Fruit Ninja VR75228
Disco Time 80s VR Demo66128
Sports Bar VR63858
Holopoint60792
Hover Junkers60211
Eastwood VR49524
Deadly Hunter VR43126
I Expect You To Die40604
Cloudlands : VR Minigolf Demo37955
Guns'n'Stories: Preface VR36966
Out of Ammo35371
The Red Stare35120
QuiVr31463
Final Approach31446
Lazerbait30050
Duck Season29723
VR Journey29426
HoloBall28414
The Talos Principle VR26129
Ultimate Booster Experience23253
Cave Digger21308
Amigdala20442
TO THE TOP19434
Gunjack19101
Cosmic Trip17351
EVEREST VR16340
Ripple Effect16118
Pierhead Arcade15932
Far Space VR15831
Water Bears VR15129
Knockout League - Arcade VR Boxing14833
Cargo Cult: Shoot'n'Loot VR14694
VR: Vacate the Room14172
Gal*Gun VR14148
VirZOOM Arcade13759
Plenty: Skyhearth13654
Eagle Flight13642
A Legend of Luca13136
RetroFighter VR12210
Space Panic Arena12210
Mass Exodus12177
A-10 VR12141
The Nest11923
Octopus Bar11816
Ultrawings11599
Final Approach: Pilot Edition11500
VR Regatta - The Sailing Game10514
X Rebirth VR Edition10109
Paddle Up10100
Carnival Games脗庐 VR9904
REGENESIS Arcade Lite9801
The Wizards9794
Hot Dogs, Horseshoes & Hand Grenades9766
FORM9389
Just In Time Incorporated9215
Blackwater Bayou VR9206
Archery Practice VR9155
Firebird - La Peri9106
King Kaiju8829
Sparc8582
Final Soccer VR8544
AirMech Command8469
Holodance8126
Kittypocalypse8117
Annie Amber8009
Starman's VR Experience7891
The Gallery - Episode 2: Heart of the Emberstone7844
Detached7813
Abode7617
Aeon7572
VR Ping Pong7549
Skyworld Demo7468
Virtual Temple: Order of the Golden Dawn7395
Karnage Chronicles7352
Egg Time7172
Pinball FX2 VR7127
#SelfieTennis6851
Blue Effect VR6747
The Crypts of Anak Shaba - VR6685
Jeeboman Demo6630
Hoops VR6530
Deisim6340
Taphouse VR6251
Waddle Home6066
Dig 4 Destruction6042
Robinson: The Journey5896
Blasters of the Universe5880
Racket Fury: Table Tennis VR5545
VR Baseball5471
VRobot Demo5399
Blobby Tennis5221
Left-Hand Path5155
ROM: Extraction4862
Lethal VR4861
Storm VR4838
Guns'n'Stories: Bulletproof VR4838
Adventure Time: Magic Man's Head Games4773
Airtone4761
ARK Park4748
Moss4676
Lucky Night VR4578
FATED: The Silent Oath4466
TITAN SLAYER4386
Interkosmos4386
VR Toolbox: 360 Desktop4363
Quar: Battle for Gate 184319
Crazy Fishing4259
Tomb Exploration VR4230
M.I.A. - Overture4188
Escape Bloody Mary4165
CDF Starfighter VR3996
Prison Boss VR Demo3934
Thunder Spheres - Virtual Reality 3D Pool3836
The Mage's Tale3683
Henry The Hamster Handler VR3664
Snow Games VR3616
Disco Destruction3543
Order Up VR3540
Lucid Trips3477
Downward Spiral: Prologue3384
Twisted Arrow3197
Dragonflight3085
EscapeVR: The Basement3071
Mega Overload Demo3064
OVERTURN3036
Shooty Fruity2979
Dark Legion VR2958
SteamHammerVR - The Rogue Apprentice2897
Giant Cop: Justice Above All2864
Diorama No.3 : The Marchland2849
inVokeR2840
VR Squash 20172765
Quick Draw2745
Apex Construct2740
SiegeVR2728
Filthy, Stinking, Orcs! Demo2722
Balloon Chair Death Match2682
Escape Artist: The Trial2678
A Story of Distress2607
aMAZEing adventures2562
Summer Funland2518
Audio Arena2492
CYBER JOLT (VR)2450
Music Inside: A VR Rhythm Game2406
Loco Dojo2351
MineSweeper VR2347
Pane In The Glass2290
Mervils: A VR Adventure2279
RED CUBE VR2272
Relax Walk VR2249
Sweet Escape VR2187
Psychonauts in the Rhombus of Ruin2155
RunVR2152
Qbike: Cyberpunk Motorcycles2151
Unknightly2127
Arcade Saga2112
Candy Kingdom VR2108
Drone Hunter VR2099
Mortal Blitz2066
Panzer Panic VR2040
Mystery Lands2015
Unearthed Inc: The Lost Temple2013
Super Kaiju2011
Chamber 192005
Duckpocalypse1984
Mountain Mind - Headbanger's VR1962
Beats Fever1955
End Space1925
Leave The Nest1907
DEXED1861
Legendary Hunter VR1836
#Archery1827
Funball Games VR Demo1820
Moonshot Galaxy1804
Night Drive VR1768
Dash Dash Run!1750
Bounce1728
PowersVR1715
Space Fist1673
VR Darts1664
THOSE DAMN ALIENS! VR1599
KART CHASER : THE BOOST VR1576
Planet Protector VR1575
Dead Hungry1574
Fractal1563
Ancient Code VR( The Fantasy Egypt Journey)1558
Streetball VR1556
Beer and Skittls VR1554
VectorWave1543
Keep Defending Demo1523
Baby Hands1505
Catch & Release1492
Babel: Tower to the Gods1485
Stars1465
Mighty Monster Mayhem1451
Drummer Talent VR1436
The First Class VR1427
Eye in the Sky1415
High Noon VR1394
Into the Rhythm VR1389
Everyday Golf VR1362
Colourise1360
Bitslap1336
Operation Apex1321
Cow Milking Simulator1306
VROOM: Galleon1260
Run Of Mydan1222
Wacky Wings Demo1215
Smashing The Battle VR1208
Viking Rage1186
Floor Plan: Hands-On Edition1155
Special Delivery1104
TOGETHER VR1090
VR Monster Awakens1078
RuneSage1063
Until None Remain: Battle Royale VR1061
Virtually Impossible1051
Dick Wilde1034
Driftwatch VR1019
VRNinja1014
NBA 2KVR Experience1003
Rage Room1003
Virtual Boxing League980
ChessVR966
Malazard: The Master of Magic954
EscapeVR: Trapped Above the Clouds949
Moriarty: Endgame VR917
Stunt Kite Masters VR913
Last Mage Standing911
LooWarVR894
Relaxing VR Games: Mahjong890
Fly Destroyer885
Asteroid Blaster VR Demo882
Stolen Steel VR880
Void Rangers878
Killing Zombies877
Hyper Bowling VR873
Children of Colossus868
DWVR867
Bowl VR865
Boxing Saga861
Saga of the Void: Admirals857
VRog Demo844
Island Time VR842
Happy Penguin VR793
UNTITLED Demo788
Human, we have a problem782
Headmaster752
Dungeons & Treasure VR752
Konrad the Kitten746
Shoot Mania VR: Fun Zombies743
Punch Bomb Demo730
Batter Up! VR715
FARHOME709
Wanted Killer VR709
Enigma Sphere :Enhanced Edition696
Battle Summoners VR695
The Torus Syndicate691
Mister Mart684
Traffic Cop680
Goaltender VR671
VR Dungeon660
Sky Sanctuary652
The Wire Loop Game VR646
Runaway VR646
CYBER VR629
Primal Carnage: Onslaught625
SUPERHYPERCUBE625
Spacecats with Lasers VR623
Jupiteration619
Super Amazeballs618
BellyBots617
Gus Track Adventures VR612
Crazy Saloon VR608
Unruly Ghouls598
Marlene Betwixt596
Magical Squash593
BattleSky VR589
Forgotten Chambers580
LightStrike579
Nemesis Realms579
AI Rebellion VR566
Attack of the Bugs564
Little Einar560
Cubians VR549
Basketball Babe548
Beach Bowling Dream VR544
Virtual Escape: The Play Room535
Locomancer530
Goalie VR526
Gun Range VR524
VR Furballs - Demolition Demo522
Hurl VR520
Space Panic: Room Escape (VR)517
Neon Seoul: Outrun511
Doomsday Survival:Training506
Wrath of Loki VR Adventure501
Watching Grass Grow In VR - The Game500
Holodaze495
Cogito489
Sanguo Warriors VR481
Quizality476
Crowe: The Drowned Armory462
VR Disc Golf460
No Clue VR457
Archer Guardian VR : The Chapter Zero456
VR Slugger: The Toy Baseball Field455
Loading Human: Chapter 1450
VR Shooter Guns448
Sneaky Bears443
Tengutana443
Brick Stack VR438
Elevator... to the Moon!435
Child of the Wind432
Hopalong: The Badlands427
CubeWorks418
Tractorball Demo417
Tails Demo414
Big Hit VR Baseball412
VRQB408
Gooblins407
Hat Trick Header Demo404
Barrels Up400
Rangi396
Fly to KUMA MAKER390
Don't Get Hit In The Face384
REGENESIS Arcade DELUXE380
Gem Hunter374
Wasps!370
VR-Xterminator370
Slabo?369
TankVR369
Theseus369
Percussive VR368
Social Club VR : Casino Nights367
Nothin' But Net364
Throw Anything364
BlackShield: Upora Story359
Queendoom Demo354
Cold Iron - Quick Draw Western352
Ceggtcher VR351
Lone Pirate VR350
MLB Home Run Derby VR344
Lumberjack VR342
ChainMan341
Sort 'Em335
CRANGA!: Harbor Frenzy335
Brush Up VR333
Pong It! VR333
Number Hunt Demo325
A Handful of Keflings323
TEOT - The End OF Tomorrow322
Ghost Train VR321
Final Fleet321
CyberDrifter Demo315
Club Dance Party VR311
Bullet VR307
VR2: Vacate 2 Rooms306
The baron got you again306
Cloudborn303
Robot City Stadium300
VeeR Pong296
Seabed Prelude292
VReakout292
Domain Defense VR291
Header Goal VR: Being Axel Rix290
Virush289
Conjuror's Eye286
Pinheads Bowling VR278
Ship It Demo276
Arcade Artist274
Carly and the Reaperman - Escape from the Underworld272
Fruit Attacks VR270
Bullet Dodge269
VR Hockey League269
Chainless266
Pale Lands VR264
Zero Days VR264
The Relentless263
Escape The Gray260
Uphill Skiing260
Totally Realistic Sledding VR257
Paper Dolls252
Laser Puzzle in VR250
Light Tracer248
CRAFT: Work VR Shop246
Always Higher Demo241
RadianVR240
Galaxy Race239
Fatal Gem VR(The First Match-3 VR Game)239
Defense of Castle Chilly239
Block'hood VR238
Flip the Table228
HeadON!220
Outpost L5219
Kingdom of Blades218
Scrap Attack VR217
Domino VR214
The Last Day Defense211
Podium Bash Demo210
Edge Guardian208
Spartaga205
Super Puzzle Galaxy204
EnterVR201
COMBAT INSTINCT198
Wheelchair Simulator VR197
Uizuno Blade VR196
Skill Master VR -- Learn Meditation193
Day of Destruction192
Along Together190
Willowisp VR Demo189
Spacescape189
Train Harder177
DMD Mars Mission171
Pixel Gear170
Elevator VR169
Viral EX169
Arena: Blood on the Sand VR166
Temple Raid VR164
Foosball VR161
PAPERVILLE PANIC!161
Bottle Flip Challenge VR159
FILE 9159
Western Bank VR159
Starship Survivor156
Symphony of the Machine154
Starship Disco149
Fat Foods144
Slice&Dice144
Melody140
WyVRn140
Trickshot135
Going Up129
Guard of Wonderland VR125
NIGHTSTAR: Alliance121
Rise of the Gunters120
Warbot118
Boxplosion116
kicker113
All-Star Fielding Challenge VR113
Trial of the Gods112
The Day They Landed107
Dungeon Puzzle VR - Solve it or die107
ShowdownVR107
Virtual Ninja VR107
Naked Sun105
Luxin Time104
Ganbatte104
Snailiens104
Alveari Demo102
Rosebaker's Icy Treats - The VR Iceman Sim99
Weird creatures96
Orb Labs, Inc.95
Challenge Park94
Tower Ascent93
Xenobox VR93
Deep End92
VR Batting92
Exterminator91
Aliens In The Yard85
Flying Turkey84
Gappo's Legacy VR83
Boxing Apocalypse83
Fort Awesome80
Seishin - Virtual Rhythm79
Run Dorothy Run78
Seek & Destroy - Steampunk Arcade77
ThrounnelVR77
Basketball Court VR76
Xtreme Paddleball76
Jida Chronicle Chaos frontier VR73
Daydream Blue71
Defendion70
Binary Trigger69
Ze VR68
Big Blue - Memory66
FINSummerVR65
Quantized65
THE BOX VR64
Spud Cricket VR62
Bleeding Kansas59
Torn59
NO ONE57
EggTime 257
VR Apocalypse56
Snowmania55
Mutato Match55
Home Tech VR55
Spirit Guide Crucible54
Lighter Than AR54
Pathstow Mystery VR54
COMET STRIKE54
Power Fist VR53
Psyche Soldier VR53
Live the Guitar52
Entropic Shop VR Demo47
City Rush46
Slingshot Cowboy VR46
Exterminator: Escape!41
OutOfColors41
The Raiders40
Gravity Tunnel VR40
Hit The Hive40
Kartofank VR39
D.F.R.: The Light VR38
The Existence Abstract38
Warp League Basketball37
Banshee Force36
Rocket Armor36
Paddle Master VR36
Zombie World36
Stage 3: Azaria35
Scorb VR34
SpellShokked!34
Dragon Adventure VR32
Catify VR31
Battle Buddies VR30
Dragon Orb30
Shatter Quest29
A Tale of Pirates: a Dummy Mutiny28
994 W 24th28
Frol Blok28
Ben 10 VR28
HATCHICK27
VAD - Virtually Assured Destruction27
Miney Company: A Data Racket26
Show Me What You Got26
Wizard Street24
Riley Short: Analog Boy - Episode 124
Siege And Destroy24
Strata Spaces VR24
Mind Sweeper VR24
Guardians of Life VR22
Witching Tower VR22
Space Crawl21
Yanone: Letter Splatter21
Camp Grizzly20
Tower Island: Explore, Discover and Disassemble15
The Rig12
Eventide Escape9
Bounty Killer6
Welcome Home, Love5
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