Deploy legendary heroes along the path, upgrade their powers, manage cash, and unleash devastating special abilities like the mighty Newgrounds Tank to stop hordes of iconic villains in the strategic tower defense game Portal Defenders: Tower Defense, featuring Newgrounds universe lore, path-placement strategy, and wave-based survival mechanics. Put your tactical planning, cash management, and hero-upgrade strategy to the ultimate test to save the portal from destruction and protect a piece of internet history. Master the defense and forge a legendary portal-guardian legacy on Portal Defenders: Tower Defense Unblocked Games right now—the strategic and exciting Portal Defenders: Tower Defense Unblocked game is free!