Planets Under Attack is a space-themed strategy game.

Gameplay

The main single-player mode in the game is a campaign that consists of many missions. The goal of most missions is to capture and develop certain planets on the game map.
To do so, you control your spacecraft fleet. Captured planets are not only strategically essential points and means to complete the mission, but they also produce Sollars — the primary currency in the game. You need Sollars for most of the actions that you can do in the game including upgrading your spaceships, planets, or even moving and dispatching your units. While conquering neutral planets is usually no hard task, you continuously encounter opposing forces (AI in single-player or other players in multiplayer) that also try to take over the planets and destroy your forces. The battles occur automatically, so the game’s primary challenge is in proper management and your fleet arrangement. There are several races available in the game, each of which has unique properties. After the end of each match, the fraction you chose would gain points that can be exchanged for ‘techs’ which give you passive upgrades such fleet strength or decreased time to upgrade planets. There are also three difficulty settings, ranging from easy to hard.