Onboard the newest and biggest cruise ships — and even some renovated older ships — you can race go-karts, play laser tag or virtual reality games, scream your way down waterslides, and, soon, even ride a roller coaster (more on that later). There’s so much onboard fun, it’s hard to know which ships have what. Here’s a guide.

Onboard the newest and biggest cruise ships — and even some renovated older ships — you can race go-karts, play laser tag or virtual reality games, scream your way down waterslides, and, soon, even ride a roller coaster (more on that later). There’s so much onboard fun, it’s hard to know which ships have what. Here’s a guide.