It turns out the “USB tools” were teeny tiny knives that hadn’t been charged. So we had to charge them a little and then use them, and then charge them and then use them. All very tricky.
But in the end, we killed all the zombies, including the zombie dog!
Whew!
Dreams in Lornaland 
Grrrr arrrrr woof!
Oh dear – I’m not sure I can speak dog zombie…
I like the way you and Mike face the world — and the world of the undead — together. RAAAA!