1.Steam2.EpicGamesStore3.GOG.com4.Origin5.UbisoftStore6.Battle.net7.GreenManGaming8.HumbleBundle9.Itch.io10.GamersGate11.Kongregate12.ArmorGames13.Newgrounds14.Pogo15.BigFishGames16.Miniclip17.iWin18.
1. Steam
2. Epic Games Store
3. GOG.com
4. Origin
5. Ubisoft Store
6. Battle.net
7. Green Man Gaming
8. Humble Bundle
9. Itch.io
10. GamersGate
11. Kongregate
12. Armor Games
13. Newgrounds
14. Pogo
15. Big Fish Games
16. Miniclip
17. iWin
18. Y8
19. BGames
20. Addicting Games
21. Game Jolt
22. Poki
23. Coolmath Games
24. FreeOnlineGames
25. CrazyGames
26. Round Games
27. Mousebreaker
28. A10
29. Silvergames
30. Sports Heads Games
31. Ninja Kiwi
32. FreeGames.org
33. HTML5 Games
34. Poki Kids
35. PrimaryGames
36. Friv
37. Hooda Math
38. Agame
39. Gamesgames
40. Kizi
41. Kids Games Heroes
42. FOG
43. Top Action Games
44. Top Adventure Games
45. Top Puzzle Games
46. Top Strategy Games
47. Top Racing Games
48. Top Sports Games
49. Top Shooting Games
50. Top Fighting Games
51. Top RPG Games
52. Top MMO Games
53. Top Simulation Games
54. Top Board Games
55. Top Card Games
56. Top Retro Games
57. R2Games
58. Minion Games
59. Razer Game Store
60. GameNGame
61. Microsoft Store
62. GoGy Games
63. SmallWorlds
64. Roblox
65. Club Penguin
66. ToonTown
67. Neopets
68. Animal Jam
69. Stardoll
70. Webkinz
71. RuneScape
72. Habbo
73. Gaia Online
74. AdventureQuest Worlds
75. OurWorld
76. The West
77. Pirate101
78. Wizard101
79. Second Life
80. IMVU
81. WoozWorld
82. Smeet
83. Twinity
84. Active Worlds
85. Blue Mars
86. Kaneva
87. Onverse
88. Avatarika
89. BlockStarPlanet
90. SmallWorlds
91. MovieStarPlanet
92. Club Cooee
93. SmallWorlds
94. WoozWorld
95. Smeet
96. Habbo
97. OurWorld
98. Kaneva
99. Primewinners
100. LuckyVB