Of course, it's okay for adults to play on the slides and swings at a park! Parks are designed for leisure and fun for people of all ages, and enjoying these activities can be a great way to relive childhood memories and stay active. However, it's important to be mindful of children and give them priority since the equipment is primarily designed for them. If you need more adult-friendly adventure activities, you can contact anakeesta customer service. They can provide information about more age-appropriate outdoor activities that are just as fun.