Lost in Space is a DS homebrew puzzle game with an online leaderboard and network ID system. Originally made by nan yu duo and published through TGBUS in 2008, the official server was shut down subsequently and the full version has been released by the author.

Once you loaded the game it will ask you to enter an UID number, which is intended for the online functions. The network function has been disabled and you can leave them out (press the Enter key, then A to proceed). You will find the following options in the menu screen: Start new game. Continue. Play previously completed levels. Stats (total number of moves, number of deaths, achievement scores).