Note: The following list of life lessons contains SPOILERS. Don't say you weren't warned before you learned.

If you're a thug and you're in a situation where it looks like you and some other thugs might be able to gang up on Batman, don't do it.
Just walk away.

If you're a weird pod-plant thing that shoots poison orbs and you have a chance to shoot those at Batman, your chances are much better.
And if he wants to kill you, he's gotta get all gooey.

The Batmobile can more or less be taken out of commission with a prolonged beating.
Who knew?

Asylums for the criminally insane sometimes include huge botanical gardens with areas that can only be accessed via zip-line.
And no tennis courts, even though the movies always make it look that way.

The Riddler loves riddles that involve other DC characters.
As well as things that are hidden in accordance with the equipment Batman acquires.

Once they get to Arkham Asylum, female supervillains sure dress a lot sluttier.
It's like one big pwawty club.

The Scarecrow's gas doesn't just create fear; it also creates poignancy.
And sequences that remind me a lot of Metal Gear Solid.

After you've made yourself huge with a super-steroid-like drug, be sure to fight your arch-nemesis on a solid, hard surface.
Really, Joker? Wood planks? You thought that was a good idea?