Castaway Fortnight: Rules of S is a free strategy game, inspired by the famous board game series of the same name. You play the role of a spaceship, the last survivor of a shipwreck. Your mission is to explore the planet and defeat all of the enemies, in order to survive and reach the next level.

You have to collect the pieces of the puzzle, in order to find out how to escape. You can use the pieces to build a path. The path will allow you to go through the different obstacles, and reach the next level.

You can collect resources, to help you in the game. These resources include iron, stone, wood, and gold. You can use these resources to build your path, and to build a spaceship. The path will allow you to go through obstacles, and reach the next level.

You can get a new weapon, by destroying an enemy. The weapons include a laser gun, a grenade gun, and a cannon. You can use the different guns to defeat the enemies.

You can get new equipment, by destroying the enemies. The equipment includes a suit, a helmet, and a weapon.