Nope not a bug for now its the only way to collect them. However i will implement other buildings later. Some of them will collect stone and other stuff for you.
Update: you get now some resources from the Arena.
But there is still not much use of them, there will be more in the future.
The graphic is good for an idle game. However, there is too many un-user friend stuff. And I dun know are they bugs or intentional setting. (4/5)
Hope this game will be updated.
Yep. Technically speaking, the actual bonus is the same as every other Economy Building and Lord Bonus, but because farmers produce 2 food base, it was necessary to adjust the display.
Perhaps the mobs' level shouldn't be manually set. It would be nice if the level will go up automatically after N successful kill. And the level will go down after a enemy go through.
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there is already an update log when you start the game. You just have to refresh the game.