The filename Dome.Keeper.Build.9900689.rar suggests a specific version of the game. Ensure you are running the game through a stable environment, as older builds can sometimes have physics bugs with the or Resource Converter .
"The game is all about the 'one more block' mentality. If you don't have the Teleporter yet, always head back when the timer is at 75% or you'll take unnecessary dome damage."
"Upgrade your shield's reflection capability early. It's the most cost-effective way to deal with ranged flyers while you focus on the ground monsters." Technical Note