Can you stay in the room in clue?

No. Excerpt taken from Cluedo 2000 rules : “You cannot stay in the same room whilst trying to eliminate it from the investigation; you must leave it and re-enter each time. You cannot leave and re-enter a room on the same turn, even by a different door.”

What does the magnifying glass on the dice mean in clue?

Basically the card with the magnifying glass are drawn when a player rolls the dice and the magnifying glass shows up. You might want to go to a place that sells Clue and ask a sales person for a brief description how to play.

Can you show someone the same card twice in clue?

If you know which cards you have revealed to a player, you can show them the same cards repeatedly to avoid giving away extra information. Never share a new card when you don’t have to.

Do you have to move on your turn in clue?

You may not forfeit a turn to remain in a particular Room. If yours was the Suspect moved into a room by a Suggestion, you may, on your next turn, make a Suggestion of your own for that room. If you decide to make a Suggestion, do not roll the die or move your token.

Can you accuse after suspecting in clue?

on his Detective Pad. The opportunity to prove the Suggestion false passes to the left until some player has shown ONE card to the suggesting player, whose turn then ends, and play passes to the next player. If no one disproves the Suggestion the player then may either pass the turn or else make an ACCUSATION.