Gnomoria is described as 'Sandbox village management game where you help lead a small group of gnomes, who have set out on their own, to thrive into a bustling kingdom!' and is a Crafting Game in the games category. There are more than 10 games similar to Gnomoria for a variety of platforms, including Windows, Steam, Mac, Linux and iPhone apps. The best Gnomoria alternative is Dwarf Fortress, which is free. Other Gnomoria like games are Banished, Stonehearth, Castle Story and Planetbase.
Dwarf Fortress is a single-player fantasy simulator. You can control a dwarven outpost or an adventurer in a randomly generated, persistent world. The world is procedurally generated with distinct civilizations spanning centuries of detailed history, multitude of towns, bodies...
In this city-building strategy game, you control a group of exiled travelers who decide to restart their lives in a new land. They have only the clothes on their backs and a cart filled with supplies from their homeland.
Stonehearth is a game of exploration and survival in an epic fantasy setting. Build your town, care for your hearthlings, and defend against marauding invaders.
Their very similar 4X games. I'm not 100% sure but I think Stonehearth is designed for people new to the 4X genera.
Castle Story is a creative voxel-based strategy game in which you can build castles one brick at a time using an army of little characters called "Bricktrons".
Guide a group of space settlers trying to establish an outpost on a remote planet. Grow food, collect energy, mine resources, manufacture bots, and build a fully self-sufficient colony.
A medieval city building game where you construct castles to protect your peasants from a living and dangerous world.
A Dwarven Prince on a quest to reclaim his people’s stolen land will take you on a great journey. Explore a continent filled with buried treasures and unearth mysteries that have laid hidden since the Great War.
Craft The World is a unique sandbox strategy game, the mix of Dungeon Keeper, Terraria and Dwarf Fortress. Explore a random generated world populated by dangerous creatures, build a dwarf fortress, gather resources, and craft all the items, weapons, and armor you need.
In Spacebase DF-9, you'll build a home among the stars for a motley population of humans and aliens as they go about their daily lives.
In Towns you manage a settlement on top of an active dungeon. Instead of playing the hero who delves deep into the dungeon, how about playing the town that houses and caters to the hero's needs?
Block Story combines a mineable blocky world pioneered by Infiniminer and made popular by Minecraft with exciting and addictive role playing.
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Because DF is a more completed version of a 4X game than Gnomoria.