Top Alternatives to Terraria

King Arthur's Gold is a retro-inspired 2D online multiplayer action game blending combat, building, mining, and resource management. Players engage in large-scale battles across destructible environments, constructing fortifications and sieging enemy castles in a medieval setting.

Gnomescroll is a discontinued open-source multiplayer voxel game combining elements of sandbox mechanics, role-playing, and MMO gameplay. It offers a persistent world for players to explore, build, craft, and survive within a cyberpunk-inspired setting.

Block Story is a unique sandbox role-playing game that merges voxel-based exploration and building with fantasy RPG elements. Players delve into vast, blocky worlds, completing quests, battling monsters, and crafting elaborate structures.

Junk Jack is an action-adventure sandbox game where players explore procedurally generated worlds, build elaborate structures, mine resources, and craft a vast array of items. It combines elements of survival, exploration, and creative building in a vibrant pixel-art environment.

Mythruna is an ambitious sandbox RPG blending deep role-playing elements with an infinite, procedurally generated world. Players can explore, craft, build, and shape their environment through a rich modding system, offering a truly dynamic and personalized experience.

Voxelands is a free, open-source voxel game inspired by Minecraft, offering creative construction, survival challenges, and exploration in expansive, procedurally generated worlds. It supports both single-player and multiplayer modes, allowing for collaborative building and adventure.

Clonk is an engaging 2D action-strategy game series combining exploration, crafting, and survival elements. Players control small, versatile figures known as Clonks, navigating diverse landscapes to gather resources, build structures, and interact with the environment and other players in both single-player adventures and dynamic multiplayer matches.

Cube World is an open-world, voxel-based action RPG with a strong emphasis on exploration, crafting, and procedural generation, offering endless gameplay and multiplayer adventures in a colorful fantasy setting.

Starbound is a 2D extraterrestrial sandbox adventure game where players explore vast procedurally generated planets, build bases, craft items, and uncover the secrets of the universe following their ship's destruction.

Growtopia is a free-to-play online sandbox game where players can build and explore worlds, farm, craft items, trade with others, and engage in various mini-games and activities in a persistent, ever-evolving multiplayer universe. It emphasizes creativity, community interaction, and player-driven content.