With directional choices as well as an ultra-simple inventory system and puzzles along the way, Dead Sea reminds me of a parser game, but one which has been built in a choice based format.
You will need to complete puzzle after puzzle to complete the game. None of it was overly difficult, and I never found myself stuck, although some of the puzzles might be a little tedious, especially as you may have to pick up item A and item B, before heading to location C to trade those for a critical item to advance the story. It struck (in my opinion) a good balance between challenge and fun, but with that said, I'm a casual gamer, so ymmv.
The story and writing is on the lighter side. The setting seems to be some medieval setting with some modern and sci-fi items, all within a dreamlike storyscape. It was fairly entertaining, although nothing particularly stood out in this department. Sometimes, I was unsure why I had to do x or y, other than to move the story/game forward, but if you're just here for the puzzles, I suppose it's not too big a deal.
It was a fairly entertaining short experience.