

Maniac Mansion is one of the most famous point and click adventure games developed by Lucasfilm Games and designed by Ron Gilbert (who later created Monkey Island) and Gary Winnick. The story is a blend of old sci-fi and horror B movie. You can choose between many characters, each one with a peculiar ability useful to solve some of the puzzles. Maniac Mansion was also the first game to use the popular SCUMM interface.
Indiana Jones and the Last Crusade is a point & click adventure developed by LucasFilm. INJaLC uses the widely known Scumm interface, with the addition of the Look and Talk verbs, not included in the previous games. Another innovation is the IQ point system, similar to the one present in every Sierra Online game.
Pipe Mania (also known as Pipe Dream is a tile-matching (sort of) puzzle game about flowing liquids developed by The Assembly Line in 1989. You must build a path made of pipe pieces to let a green liquid (sewer goo?) flow. It's simple, original and addicting, that's why Pipe Mania was cloned a number of times.
Their Finest Hour: The Battle of Britain is an abandoned historical combat flight simulation game set in Great Britain (obviously) during World War 2. Their Finest Hour was designed by Lawrence Holland, developed and released by LucasArts in 1989 for DOS, Amiga, Atari ST.
Loom is one of the first graphic adventures released by Lucasfilm Games. It was designed by Brian Moriarty and it follows a fantasy theme. There's no inventory and it lacks classic commands like "look", "take", etc. You can play tunes using a combination of notes in order to interact with the world.
The Secret of Monkey Island is perhaps the most popular point and click adventure game developed by Lucasfilm Games and designed by the trio Ron Gilbert, Dave Grossman and Tim Schafer. In Monkey Island you're the would-be pirate Guybrush Threepwood on a quest to become a fearsome pirate in the Caribbean. Monkey Island uses one of the most friendlier interfaces for adventure games: the SCUMM engine.
Monkey Island 2 is the second game of the Monkey Island series, a point and click adventure game set in a world of pirates and mysterious treasures. Monkey Island 2 utilizes a command-based SCUMM interface and a branching dialogue system.
Indiana Jones and the Fate of Atlantis is a graphical point and click adventure game created by LucasArts and published in 1992, based on the popular movie character. As the famous archaeologist Indiana Jones, you will travel the world searching for the mythical land of Atlantis. Fate of Atlantis is the sequel to the acclaimed Indiana Jones and the Last Crusade.
Star Wars: Galactic Battlegrounds is a science fiction real-time strategy game set in the Star Wars universe, focused both on the first and the second Star Wars trilogy. Star Wars: Galactic Battlegrounds was developed by LucasArts Entertainment in 2001. SWGB was developed using the Genie engine, the same used for Age of Empires.