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Here is some other information that you may find to be of assistance to you.
As you progress in the game & move into new regions you need to strengthen the capacity & regeneration of your camp equipment.
It's extremely important to make your underground camp strong as quickly as possible.
Diggys Adventure is a long term progressive game....the further that you go into the game the more challenging & energy intensive it becomes.
Game strategies, agendas & theories are an integral part of playing Diggys Adventure as it is a long term game that primarily hinges on the strength of your underground camp.
The quicker you can clear out all levels of your underground camp slots the better....but I would NOT suggest using gems to clear camp spots.
You might want to check out these forum threads...there is a lot of good information & links that cover quite a few different topics in relation to game strategies, camp equipment, Professor Switch System, Grid Unlock, etc.
I have also created some spreadsheets in relation to camp equipment available in the Older Stories....you can check them out in this 1st link below.
https://forum.pixelfederation.com/diggysadventure/d/187533-camp-equipment-spreadsheets-for-older-stories-available-in-shop
https://forum.pixelfederation.com/diggysadventure/d/169231-camp-slots
https://forum.pixelfederation.com/diggysadventure/d/176549-cannot-remove-debris-from-camp/17
While there are Older Stories available in the shop to buy for 100 gems it's a great idea to do some of them to gain stronger capacity & regeneration camp equipment especially from the unsegmented stories.
You can buy these Older Stories multiple times to be able to get all the good, better & best camp equipment pieces available in each story....just remember to check that you are at the required game level to access the camp equipment you are wanting.
Some of the Older Stories even give back more than 100 gems on the 1st time play through.....there is a very useful table on this wiki page that shows how many gems can be gained from the Older Stories available to purchase for 100 gems.
https://wiki.diggysadventure.com/index.php?title=Events