Swallow The Blue is an Action-Adventure, Side-Scrolling, Survival-Horror, and Single-player video game offered by Euphoric Brothers. All through the game, the player plays the job of a survivor who has to survive a night in the Sapphire Hotel. One day, the player comes to spend a night in the Sapphire Hotel, but over time, the player faces a lot of disturbances.

The player has to follow the Hotel rules and regulations to stay alive for a long time. The game has multiple endings, and each time, the player experiences a different but interesting result. The experience of the player increases the traps and obstacles placed in the game as he plays again and again.

The hotel has a long routine schedule such as breakfast in the early morning and late-night show. In between breakfast and the late-night show, the player has to explore the mysterious floors of the Sapphire Hotel and make an escape to the real world.