The standard Blitz mode is Domination on
a drastically smaller map than normal while Firefight pits you in Blitz except you must face endless waves of increasingly difficult enemies.
Not exact matches
Even
small tweaks to shapes can
drastically change their packing efficiency, and
mapping the results spawns weird and unexpected 3D creations
Even if the
map is legit, the chance that it hasn't changed
drastically in three years of development is
small.