syncpan77 wrote:geoman48 wrote:syncpan77 wrote:Try to use up as many crystals as possible
Done! The key is to get attacked often... then refilling contraband safehouse, etc. takes a lot of crystals! I'm down to less than 900K crystals after this challenge!
I just keep swapping turrets. Purchasing alloy in the market really depletes your crystal stash.
And I love that so much!