Portal Defenders

The gateway is under attack! Prepare for a frantic battle in Portal Defenders Unblocked, a classic fan-made tribute that transforms the world of Portal into a fast-paced action game. This is a 2D wave-based survival shooter where your mission is to protect a central portal from an onslaught of rogue Aperture Science creations. Wield a massive arsenal of weapons, from melee tools to powerful firearms, to fight off hordes of familiar enemies coming from both sides. Survive each intense wave, then use your earnings to purchase powerful upgrades for the next round. This beloved Flash classic is waiting for you on Unblocked Games 6X. How long can you hold the line?