Save Earth: strategy offline is an iPhone game developed by Valerii Martynov. It is a free game that falls under the category of educational games. The game is aimed at raising awareness about environmental problems and encouraging people to take action to save the planet.

In Save Earth, players take on the role of a saving planet fund and engage in activities that affect the Earth's future. The game allows players to study the specifications of regions and their exact problems, track eco-situations of the Earth's regions, integrate ecological projects, send volunteers for help, fight negative ecological aspects, overcome the devastating consequences of disasters, and encounter new green technologies.

The game's premium status offers additional features such as advanced ecological projects, new regions, and new green technologies. However, it is a subscription-based service that charges the user unless auto-renew is turned off at least 24 hours before the end of the current period.

Save Earth is an excellent game that educates people about environmental problems and encourages them to take an active role in saving the planet. It's a great way to learn about ecological problems and their causes, as well as the initiative people from all over the world who are saving our planet from an ecological disaster.