About: http://webisa.webdatacommons.org/204855233

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Waves of enemies come at you and get increasingly harder, you are able to upgrade your weapons and other ammo as you progress up through the ranks however it can take time for you to learn your the maps.
http://www.w3.org/ns/prov#wasQuotedFrom	dooyoo.co.uk