Games like HighSpell

Whispered Scrolls is a free fantasy MMORPG that you can also play in your web browser. In common: indie mmorpg, open world, sandbox.

Blossom & Decay is an open world socio-economic simulation where thousands of players may create their own unique stories by influencing each other’s gameplay… In common: open world, sandbox, role-playing (rpg).

A dark fantasy role-playing game set in Valdaria, a perilous world ruled by gods and monsters. In common: open world, sandbox, role-playing (rpg).

Kron Wars is a persistent browser-based sci-fi MMO where players trade, mine, build corporations, wage wars, hunt bounties, and control entire sectors across… In common: grinding, open world, sandbox.

A hardcore sandbox MMORPG with an economy entirely controlled by players. In common: indie mmorpg, sandbox, role-playing (rpg).

A Viking-themed MMORPG In common: indie mmorpg, open world, role-playing (rpg).

Lurkers is a chaotic 2D multiplayer sandbox where you can build, battle, and survive! In common: open world, sandbox, role-playing (rpg).

Cataclysm: Dark Days Ahead (aka Cataclysm DDA or CataDDA) is an open source survival horror roguelike set in a post-apocalyptic and fictional New England. In common: open world, sandbox, role-playing (rpg).

A Life Simulation game with heavy RPG elements where you play as a Cow exploring, leveling up, and completing quests. In common: open world, sandbox, role-playing (rpg).

RuneScape is a high fantasy open world MMORPG. In common: open world, sandbox, role-playing (rpg).