Games like World Senate Game - Free Online Multiplayer Game

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: cross platform multiplayer, open world, sandbox.

Lurkers is a chaotic 2D multiplayer sandbox where you can build, battle, and survive! In common: online multiplayer, open world, sandbox.

Talewyn Harbor is a free-to-play multiplayer browser game set in a persistent coastal world. In common: online multiplayer, open world, sandbox.

RuneScape is a high fantasy open world MMORPG. In common: cross platform multiplayer, open world, sandbox.

As one of the last human survivors, you find yourself stranded on an uninhabited island. In common: cross platform multiplayer, open world, sandbox.

TextSpaced is a text-based sci-fi MMORPG played in your browser, where as a captain you attempt to survive and prosper in an infinite and hostile universe. In common: online multiplayer, open world, sandbox.

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).

BuildNow GG is part of an emerging genre of online game that combines tactical building with third-person shooter gameplay, featuring various game modes… In common: open world, sandbox, strategy.

A persistent browser MMO set in a 1:1 scale solar system built on real NASA MOLA/LOLA altimetry data, with real orbital physics. In common: open world, sandbox, role-playing (rpg).

Arcmaze is a free-to-play browser 3D MMORPG with first-person view and grid-based movement set in dark fantasy medieval world with multiple dungeons. In common: cross platform multiplayer, open world, sandbox.