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You also don't really mention what you are trying to accomplish in the game (if anything). Assuming it is a sandbox game, the idea is pretty neat that you use npc interactions as a primary mechanic.
What engine are you using? I'm really digging the hex planets!
Good luck!
Thank you for your comments,
The game has no fighting, so the colonizing of the planet is the challenge in this game.
The idea is to spread rare items over the continents, that need to be collected.
I don't use a third party engine, it is written directly on top of OpenGL, OpenAL and libSDL2.
That's why the rendering lags behind, has simple lighting and no shadows, unfortunately.
Bram