Well i'm not into block and cant say much about the "block parts" i can say tho that the map seems a bit small and crowded? And the design even for a block map is definitely improvable.
for a block map (at least from the understanding that its a block map) it seems too overcrowded if 63 players where to play and some parts just dont make sense or seem to be more important than others leaving wiht even more chance of gathering in a small space
Shields and weapons have 1 tile spacing hitbox so u can just leave 2 shields on the top part that popcorn mention. And also if u map for ddnet then such a weapon spam is not accepted ^-^