Playing cards, Ludo etc

Is it prohibited to play cards, ludo etc?

wearing silk

Can we wear silk tie?

Let not the ecstasy beguile you!

How should a believer rejoice?

Covering Head – for the Men

Covering head
During salaah – sunnah
Whilst eating and whilst in toilet – adab or good manners
Prophet had his head covered most of the time.

If covering head causes any kind of a tribulation then it can be (or perhaps should be) omitted.