1.Steam2.GOG3.EpicGamesStore4.Origin5.Uplay6.HumbleBundle7.itch.io8.GameJolt9.G2A10.GreenManGaming11.Fanatical12.IndieGala13.GamersGate14.CDKeys15.Kinguin16.GoodOldGames17.TheGameCrafter18.NintendoeSh
1. Steam
2. GOG
3. Epic Games Store
4. Origin
5. Uplay
6. Humble Bundle
7. itch.io
8. Game Jolt
9. G2A
10. Green Man Gaming
11. Fanatical
12. IndieGala
13. GamersGate
14. CDKeys
15. Kinguin
16. Good Old Games
17. The Game Crafter
18. Nintendo eShop
19. PlayStation Store
20. Xbox Game Pass
21. Bethesda.net
22. Battle.net
23. Rockstar Games Launcher
24. Google Play Store
25. Apple App Store
26. Kongregate
27. Armor Games
28. MiniClip
29. Addicting Games
30. Pogo
31. Big Fish Games
32. Newgrounds
33. GameHouse
34. Steam Greenlight
35. IndieDB
36. Mod DB
37. GameFAQs
38. GameSpot
39. IGN
40. Polygon
41. Eurogamer
42. Giant Bomb
43. Kotaku
44. PC Gamer
45. Rock, Paper, Shotgun
46. GamesRadar+
47. Game Informer
48. Destructoid
49. Metacritic
50. OpenCritic
51. Twitch
52. YouTube Gaming
53. Mixer
54. Facebook Gaming
55. Steam Workshop
56. Nexus Mods
57. Mod Nexus
58. GameBanana
59. GamerDVR
60. Xbox Game Bar
61. PlayFab
62. Photon
63. Unity Asset Store
64. Unreal Engine Marketplace
65. GameAnalytics
66. Chartboost
67. AdMob
68. Kongregate Developers
69. Newgrounds API
70. Apple Developer
71. Google Play Developer
72. PlayStation Developer
73. Xbox Developer
74. Steamworks
75. Nintendo Developer
76. Gamasutra
77. Unity forum
78. Unreal Engine forum
79. GameDev.net
80. Stack Exchange: Game Development
81. TIGSource
82. Indie Game Developers Facebook Group
83. Indie Hackers Gaming
84. Touch Arcade
85. 148Apps
86. AppAdvice
87. Pocket Gamer
88. Android Authority
89. MacRumors
90. GameSpot Forums
91. Reddit: Gaming
92. Reddit: GameDeals
93. Reddit: IndieGaming
94. Reddit: GameDevelopment
95. Reddit: AskGameMasters
96. Reddit: GameDevClassifieds
97. Reddit: GameCritics
98. Reddit: GameDesign
99. Reddit: GameIdeas
100. Reddit: GameJams