More neutral:
* Engrossing: This word suggests that something is captivating and holds your attention completely.
* Compelling: This word emphasizes the strong attraction or power of something to draw you in.
* Intriguing: This word suggests something is fascinating and makes you want to learn more.
* Enthralling: This word suggests something is deeply captivating and holds your interest for a long time.
* Gripping: This word suggests something is exciting and holds your attention tightly.
More positive:
* Rewarding: This word suggests that something is satisfying and makes you feel good.
* Enjoyable: This word suggests that something is pleasurable and makes you happy.
* Stimulating: This word suggests that something is mentally or emotionally exciting.
* Satisfying: This word suggests that something fulfills a need or desire.
More negative:
* Habit-forming: This word suggests that something is easy to become dependent on.
* Alluring: This word suggests that something is tempting and may lead to negative consequences.
* Mesmerizing: This word suggests that something is hypnotic and may be difficult to resist.
* Inviting: This word suggests that something is tempting and may lead to you getting involved in something you shouldn't.
More informal:
* Can't put it down: This phrase is often used to describe something that is very engaging.
* Binge-worthy: This word suggests that something is so good that you want to watch or read it all at once.
Ultimately, the best word to use will depend on the specific context and the message you want to convey.