Firewall is a tower defense game where You have to defend Your network against hackers and viruses. If You know other tower defense games like BloonsTD or Plants Vs Zombies, this game is similar to those, but has its unique theme and mechanics. Everything is based on the topic of a Firewall. Dark background, neon colors and a simple design. Your task is to create a firewall for Your users that lets them browse the web in a save manner. You have to scan all incoming files (enemies) for viruses or malware by placing processes (towers) to scan their contents. For each file exists a specific process that can scan the files the best. Since processes need CPU, You can configure how much CPU one single process is allowed to use for scanning files. The more CPU it gets assigned, the more damage it can deal, but the less CPU is available for other processes. So be careful how You assign Your computing power. If Your current computing power seems not enough, don't worry, You can always buy new CPU cores, if You have the money for it! And wait till You see the special files like archive or encrypted files. They are special in their own way, but You will figure it out sooner or later, when You start playing the game. So grab Your laptop or computer and start configuring Your firewall!