Cybershock: TD Idle & Merge - Age of Cyber is a free puzzle game developed by ONESOFT for Android devices. The game is set in the year 2077 in Cyber York City, which is under attack by evil robots led by The Red Emperor. As a player, you are the leader of the Defense Force and command the five armies, each with unique skills, to protect the city.

The game mechanics consist of merging two units of the same army and rank to make a higher rank one, collecting energy from enemies even when you are offline, and deploying soldiers at the right places to make the best use of their skills. You can also call out reinforcements or swap positions of your soldiers at the right time to take down powerful enemies.

The game features countless areas with increasing tension, and with each enemy leader defeated, you will get a trophy box containing many useful items to enhance your army. You can also buy them in the shop with Cyberium to make an invincible legion.

Overall, Cybershock: TD Idle & Merge - Age of Cyber is an exciting game that combines puzzle and strategy, offering a unique gaming experience.