Progressing in Rusty Lake Hotel involves solving various puzzles and uncovering clues throughout the hotel. Pay attention to details, interact with objects, and explore each room thoroughly to unlock the story.

If you're stuck, try to observe your surroundings carefully. Look for hints in the environment or on items. Sometimes revisiting earlier areas can reveal new information or solutions to puzzles.

Unlocking all endings requires making different choices during the game. Play through multiple times, exploring various options and interactions with characters to experience all possible outcomes.

To solve the 'Dinner' puzzle, follow these steps: 1. Interact with the table to identify the food items. 2. Observe the guests for clues on their preferences. 3. Combine the food items according to guests' tastes. 4. Serve each dish correctly to complete the puzzle.

Clues are often hidden in the environment. Look for unusual objects, symbols, or interactive items. Solve minor puzzles or complete tasks to unlock hidden areas and gather more information.