Play Alien Complex Online

Alien Complex is an action-packed browser-based roguelike shooter set in a futuristic alien-infested world.

You play as a lone hero navigating procedurally generated levels filled with hostile extraterrestrials, traps, and hidden treasures. Collect powerful weapons, upgrade your abilities, and adapt your strategy to survive increasingly challenging waves of enemies.

With its dynamic gameplay, pixel-art graphics, and high replay value, Alien Complex offers an exhilarating experience for fans of fast-paced action and strategic combat.

🕹️ How to Play – Alien Complex

1. Explore the Complex

Each level is a maze of interconnected rooms. Move with WASD and aim/shoot with the mouse. Clear each room to unlock the path forward.

2. Fight for Survival

Aliens spawn in waves — shoot them before they swarm you. Use different weapons to adapt to enemy types and attack patterns.

3. Collect Loot and Power-ups

Enemies drop coins, health, and gear. Grab them quickly — they boost your survivability and unlock better tools as you go.

4. Upgrade Your Arsenal

Find new weapons with unique fire modes — lasers, spread shots, rapid fire, and more. Some have limited ammo, so manage resources wisely.

5. Permadeath Means Reset

Once you die, it’s game over — but each run teaches you more and gets you closer to mastery.

Alien Complex – Tips & Tricks

🎯 Keep Moving — Standing still is death. Strafe constantly and learn enemy patterns to avoid getting cornered.

🔫 Try Every Weapon — Some enemies are weak to certain weapons. Experiment to find combos that suit your style.

💥 Use the Room — Walls, corners, and chokepoints help you control the fight. Don’t rush in blind.

💰 Collect Fast — Pick up coins and power-ups between waves — they disappear if you wait too long.

🧠 Learn the Spawns — Some rooms ambush you right away. Enter cautiously and be ready to dodge.

🩹 Don’t Waste Health Packs — Save them if you’re already near full HP — come back later when you actually need the heal.

🧪 Upgrade Priority — Focus on damage early. A stronger weapon clears rooms faster and keeps you alive longer.

🔄 Die, Learn, Repeat — It’s a roguelike — every death teaches you something. Use each run to refine your reflexes and route planning.

Alien Complex Gameplay Video