The world is infected by zombies, destroy all zombies by tap or clicking the zombie and save all survivors. Don’t tap human / survivor or the game will over.
This game has been developed using Construct 3 with C3 runtime, there are no Construct 2 version, only c3p file as a game source.
You need active Construct 3 subscription to be able to modify the game, or to export to Android/iOS. There are a C3 monthly plan, if you need it for a short time, ex: if you want to generate Android Apk file.