Browser based free games
Play free and free-to-play games designed to be played direclty in a browser (this includes both browser-based games and flash games)
Here are some of the best browser games you can play directly online: MMORPGs, collectible card games, strategy games and more. Browser games usually doesn't require nothing more than an updated browser (Chrome, Firefox, Edge, Opera, etc.) and are playable on any PC or Mac. Some of them may require a Flash plugin.
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Therian Saga
RPG
Fatecraft
Battlestar Galactica Online
shooter / MMOFPS
Bigpoint Games
Epic Battle Fantasy 3
RPG / JRPG
Matt Roszak
Monster Slayers
action / brawler
Nerdook
Fairune
RPG / JRPG
Skipmore
Questionaut
adventure / point & click
Amanita Design
Supremacy 1914
strategy / wargame
Bytro Labs
Adventure Quest Worlds
RPG / MMORPG
Artix Entertainment
Lost Pig
adventure / interactive fiction
Admiral Jota
Imperia Online
strategy / MMORTS
Imperia Online Ltd.
Travian: Legends
strategy / MMORTS
Travian Games
Kingdom of Loathing
RPG
Asymmetric Publications
Popmundo
simulation
ExtraLives AB
Torn City
RPG / MMORPG
Joe Chedburn
Progress Quest
RPG / idle clicker
Eric Fredricksen
Star Wars Combine
RPG / MMORPG
SWC Programming Team
Hattrick
simulation / management
Hattrick Limited
123 Strip Poker
card game / strip poker
LimeSoda
247 Mahjong
puzzle / mahjong
Games LLC
Batheo
strategy / MMORTS
Clap Along
Bloxorz
puzzle
DX Interactive