Games similar to Project Hedra include Minecraft. It's paid, but Veloren and eaglercraft are free. Other options are Terraria, Diablo, Blockland and Cube World. There's no shortage of Sandbox Games like Project Hedra, with more than 25 alternatives for Windows, iPad, Mac, Android and iPhone.
An experimental puzzle strategy where you are not commanding your troops - now, you are shaping the battlefield itself! Nothing is random*, everything is predictable*, and the battlefield is changing. Every turn. By you.
The MMO, Cubed.
Trove is an open-ended voxel adventure through countless realms filled with quests, chests, and enemies great and small.
United States
STALCRAFT: X is the largest online game set in the Chernobyl Exclusion Zone. Explore an open world filled with mutants and anomalies alone or with friends — unforgettable experiences are guaranteed!
Russia
I wanted to play a city building game with the feel of a real time strategy game, but with more depth; more resources, more control, and most importantly: more complexity. All set in a medieval world with some fantasy elements thrown in.
United States
Allumeria takes a classic voxel sandbox and combines it with in-depth progression through exploration, dungeon crawling and boss battles. You will constantly be discovering new weapons, abilities, resources, enemies, structures, mechanics and tools.
Lay of the Land is a sandbox adventure game set in a fantasy world where everything is physically simulated. Use the environment to your advantage and Explore, Fight, Loot and Build your way through mysterious lands.
Explore endless magical worlds and battle fearsome creatures alongside millions of friends. Ride your own horse, bear or moa and discover the many game world wonders. Unleash your imagination by crafting beautiful buildings.
Netherlands
EU
