What is the Grow Zombie inc - Merge Zombies game, how does it work?

According to the introduction of PixelStar Games, Grow Zombie inc - Merge Zombies is a Simulation game on the Android platform. There is currently a 36.1.5 version released on Mar 05, 2019, you can see the details below.

New game 'Pixelstar Games'

Grow Zombies

Abandoned + synthetic + Merge + strategy game + defense

Addictive synthesis and strategic battle

Please generate and grow zombies and conquer the world

Combining zombies and developing even stronger zombies

Strengthen various weapons, tanks, spacecraft

Hunt for aliens and mutations!

[Game Features]
◈ Please synthesize zombies and develop high-grade zombies
◈ Awaken the zombies and learn special abilities
◈ Make zombie troops and start hunting
◈ Please hunt various bosses, aliens and mutations
◈ Research institute, develop ancient ruins and improve the ability of zombies
◈ Various kinds of zombies (space zombies, mutant zombies, prize zombies etc)