X: Sea Side Adventure and Super Mario Bros. X: The Invasion 1.3 will be related to the plots of Super Mario Bros. The Invasion 1.3 will only use Super Mario Bros. It is also confirmed to use new features that was released for the updates after the release of Version 1.2. The game is almost similar to that of the first episode that was first made for the Level Editor, but will also contain some features that was made for its pseudo-sequel. It was set to be released in 2011, but was planned to be released later. It is a remake of both The Invasion and the The Invasion 2 made by Andrew 'Redigit' Spinks. X currently under development by Prince Ludwig. X: The Invasion 1.3 is a project of Super Mario Bros.