It is a good idea to wrap around turrets if their initial spawns are clustered in the centre. That way you can build up more red squares on the outside.<br>

Running around the outside of the map can be a useful strategy as you can more easily avoid the bullets. This strategy is compromised if a turret spawns on the edge of the map.<br>

Usually, the red squares will spawn in a cluster around the turrets, so eventually you may have to run through dense fire in order to increase your score significantly.<br>