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Serious Head
Portal Defense – Survive the Onslaught, Close the Portals!
Game Description
Portal Defense throws you into a desperate battle for survival against relentless waves of monsters pouring out of mysterious portals. Arm yourself, build defenses, and survive day after day of increasing terror. Recharge your energy, kill brutal bosses, and wield powerful weapons to hold the line. Your mission? Survive the final day and seal the portals once and for all!
With intense action, strategic upgrades, and relentless enemies, this is the ultimate fight for humanity’s future.
How to Play
- WASD = Move
- Left Mouse Button = Shoot
- Right Mouse Button = Aim down sights
- Mouse Wheel / 1–6 = Switch weapons
- Spacebar = Jump
Build defenses, outlast enemy waves, and become the hero who ends the portal crisis!
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