10 Seconds Defense

Defend your heart from the attackers that appears every 10 seconds!
Use your orbs to build towers that fire every 10 seconds.
And guess what? Orbs appears every 10 seconds too!

Use arrows to move the cursor.
Press 🅾️ (Z or C), ❎ (X) on an orb to collect it, on an empty space to build a tower, or on a tower to upgrade it (costs 2 orbs)