docker build -t app .
(in Google SDK Console) gcloud auth login docker tag app us.gcr.io/(project_id)/app docker push us.gcr.io/(project_id)/app
use spatial hashing fix tunneling
send enemy positional data 10ms -> 50ms a second send bullet data 1ms -> 5ms a second
make it so you can break some walls. if they're broken and people walk through the broken bits, reduced movement speed