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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Bit Heroes Quest
RPG / MMORPG
Juppiomenz
2017 
Strip Poker Night at the Inventory
card game
Joseph Kantel
2017NSFW 
The Monster Inside
adventure / visual novel
Random Seed Games
2017 
atWar
strategy
atWar team
2016 
Big Bang Empire
RPG
Playata GmbH
2016NSFW 
Hentai Heroes
simulation / dating sim
Kinkoid Studio
2016NSFW 
The Powder Toy
simulation
Simon
2016 
Work!
simulation / typing
Moitapecha
2016 
Card Hunter
strategy / board game
Blue Manchu
2015 
Clicker Heroes
action / idle clicker
Playsaurus
2015 
Dominus
strategy / wargame
Dominus Dev Team
2015 
Monochrome Mahjongg
puzzle / mahjong
Zygomatic
2015 
RPG MO
RPG / MMORPG
Marxnet
2015 
Sextris
puzzle / tile-matching
Sextris
2015NSFW 
Might & Magic Heroes Online
RPG / MMORPG
Related Designs
2014 
Tetris Fun
puzzle / tile-matching
zygomatic
2014 
Video Strip Games
card game / strip poker
videostripgames.com
2014NSFW 
Anno Online
strategy / MMORTS
Ubisoft Blue Byte
2013 
Rail Nation
simulation / management
Travian Games
2013 
Hero Zero
RPG
Playata GmbH
2012 
Realm of the Mad God Exalt
RPG / MMORPG
Wild Shadow Studios
2012