Demetrios is described as 'Adventure game inspired by Broken Sword with a large amount of cynical humor.For PC (Windows/Mac/Linux) and PlayStation Vita'. There are three games similar to Demetrios for a variety of platforms, including Mac, Online / Web-based, Steam, Windows and Android. The best alternative is Samorost. It's not free, so if you're looking for a free alternative, you could try Our Little Island.
Samorost 3 is an exploration adventure and puzzle game from the award-winning creators of Machinarium and Botanicula. Represent entire series of Samorost games including Samorost, Samorost 2, Samorost 3.
Two little monster brothers building a new home together. A cute, short game about two monsters trying to build a home on an island. In the game you play as the older brother who is building the home and nurturing the plants.