One of the coolest things about Minecraft is the sense of discovery - like, when you stumble upon a hidden cave or find a rare resource. And, of course, there are the weird surprises, like when a creeper blows up your freshly built house! But, what really makes the game memorable is the cool challenges it throws at you, like trying to survive in a harsh environment or building a complex structure.
Another thing that's really cool is the little details that can make you lose track of time - like, when you're mining and you find a vein of diamonds, or when you're building and you realize you've spent hours on a single project. It's these small moments that make the game so engaging and fun to play.
How to switch to Survival mode in Minecraft