They Are Coming

The sky tears open and the first wave drops. In They Are Coming, you command a small outpost that suddenly becomes the target of an overwhelming alien offensive. Your job is simple: survive. Every round brings faster, tougher, and smarter enemies that test your defenses and your nerve. You'll manage a growing arsenal of defensive structures, each with its own strengths, and balance firepower against the resources you scrape together from each victory. What starts as a few scattered drones quickly escalates into a full-scale siege. You'll need to think on your feet, reposition your guns, and prioritize threats before they overrun your walls. The game rewards careful planning and quick reactions in equal measure, keeping you on edge from the first siren to the final stand. With each wave, the pressure mounts, and the question is not if you'll be overwhelmed, but how long you can hold on.

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They Are Coming

Common Core State Standards

Every game supports specific Common Core standards. Browse the full standards library.

MP3Argue with math MP1Make sense of problems MP5Use tools strategically MP7Use structure A.APR.C.5Binomial Theorem S.IC.B.6Evaluate data reports 7.SP.A.2Inferences from samples G.CO.C.9Line and angle theorems

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7th Grade · 8th Grade · High School

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What is They Are Coming

They Are Coming is a relentless action-tower defense game where alien swarms test your defensive line. Set up turrets, upgrade them wisely, and push your survival skills to the limit.

How to Play

Place turrets on available slots and use your resources to build or upgrade them. Aim and fire manually or let the auto-targeting handle the swarm, but keep an eye on your energy reserves.

Tips for Playing

Focus on upgrading a few turrets rather than spreading resources thinly.
Save a 'panic button' — a fully charged special weapon — for the biggest threats.
Watch for enemy patterns and reposition turrets to cover weak spots.
Prioritize targets that can disable or bypass your defenses.
Collect bonus drops quickly; they often mean the difference between surviving the next wave.

Frequently Asked Questions

How many waves are there in They Are Coming?

The game has an endless series of waves, with difficulty ramping up steadily. There's no final wave — the goal is to survive as long as you can.

What types of turrets can I build?

You can build basic guns, laser turrets, missile launchers, and plasma cannons. Each has unique damage, range, and cost, so mix and match to suit your strategy.

Can I move turrets after placing them?

Yes, turrets can be moved to new slots, but there's a small cooldown and cost. It's often better to plan ahead, but moving is useful when new threats appear.

Is there a way to pause the game?

Yes, you can pause at any time using the pause button in the corner, which is helpful for planning placements during intense moments.

What happens if my base is destroyed?

When your base's health reaches zero, the game ends and you see your final score. You can restart and try to beat your record.

Are there special abilities or power-ups?

Yes, you'll occasionally get power-ups like airstrikes, shields, or repair drones. Use them strategically to turn the tide in critical moments.