Lunaria Story

Lunaria Story is a 2D, side-scrolling, massively multiplayer online role-playing game (MMORPG). It combines the best elements of other popular MMORPGs and classic 2D platform games. Players can go on thrilling quests, fight cool monsters, and use the unique pet system, training and merging pets, resulting in interesting combinations and stat boosts. It features delightful graphics, and simple, but impressive gameplay. Lunaria Story is browser based, so it requires no download, and is completely free to play

Screenshots from Chrome Web Store