Wurm Online - Wurm Online is the MMORPG where the players are in charge! Developed around the idea of player-influence it stands as one of the only, true Sandbox MMOs.
3079: Block Action RPG - 3079: Block Action RPG is an Action-Adventure, RPG, Open-world, Voxel-based, Sandbox, First-person Shooter, single and Multiplayer video game developed and published by Phroot’s Software.
Ashen Empires - Ashen Empires is a Massively Multiplayer Online Role Playing Game (MMORPG).
Space Engineers - Space Engineers is an Action-Adventure, Sandbox, Voxel-based, Space, Single and Multiplayer video game created and published by Keen Software House.
Wild Terra Online - Wild Terra Online is a Massively Multiplayer Online Role-playing Life-Simulation by Juvty Worlds Ltd.
EVE Online - Player-created empires, player-driven markets, and endless ways to embark on your personal sci-fi adventure.