Is mabinogi a browser game?
No, it is a client-based mmorpg
Mabinogi is a huge MMORP online computer game where you can create a character for free and do quests and meet new people. Something new is always coming out, and if you want to, you can buy pets to travel with you during the world of Mabinogi. Just recently they released Pioneers of Iria, and you can travel to a new continent, Iria. You can then decide to take the side of the Elves, or…
Runescape in itself is a browser-based java game, meaning that the entire game is located inside your browser and does not require a download. You can play the game at http://www.runescape.com If you are talking about playing it without Java, however, this is not possible as the entire game is Java-based