Tried running the game, doesn't seem to work unfortunately:
Error
area/1/data_def.lua:103: attempt to perform arithmetic on field 'tile' (a nil value)
Traceback
area/1/data_def.lua:103: in function 'new_room'
area/1/data_def.lua:126: in main chunk
[C]: in function 'require'
area/connector.lua:10: in main chunk
[C]: in function 'require'
main.lua:22: in main chunk
[C]: in function 'require'
[C]: in function 'xpcall'
[C]: in function 'xpcall'