I recently went on a trip to North Korea and visited the Kaeson Youth Park.
It is centrally located in Pyongyang - a short drive from Kim Il Sung square, next to the Arch of Triumph (photos taken from the top of the Arch). Here is a google maps link for anyone interested: https://goo.gl/maps/sRmidMu3WRk
The park is fairly small and only open in the evenings. It is next to Kim Il Sung University. The park is mostly moderate thrill rides aimed at the university students.
You can see from the entrance that Pyongyang is a very safe city - there was no high fencing, just a simple rolling gate with no locks. That bathroom tile aesthetic in the buildings is extremely common in North Korea. They will tile the external walls of 30 Storey buildings on every floor.
The park had a really fun suspended flying coaster with an egg-beater lift hill. I'm not sure of the model, but it was a really smooth, really fun ride. It has two inversions.
You load onto the ride in a standing position and the operator closes a cage over you. You're tilted into the flying position by a large steel bar just before the lift hill. The two inversions are fairly intense considering you're not actually strapped into the cage, but they whip you around so fast you never really feel like you're gonna fall.
They also had 3 Zamperla rides, a Disko, a Power Surge (i didn't photograph it but you can see all three rides in a row in this pic), and a Frisbee (with the most terrifyingly loose restraint I've ever experienced).
In addition, there was some dodgem cars (the Korean's are really violent drivers), A small pirate ship, and an S&S Shot 'n' drop.
There was a burger place inside the park (which was closed) but there were a bunch of street stalls outside selling snacks and soft-drinks. Unfortunately, while foreigners can visit the park, we aren't allowed to buy stuff from the local stores since they only accept the local Korean currency (North Korean Won) - which foreigners are not allowed to use.
Foreigners can pay in Euro or Chinese Yuan. We had to pay 10 Euro Entry to the park, and the individual rides ranged between 3 and 5 Euro each.
The park was quite empty - probably about as busy as you would expect Luna Park Melbourne to be on a random Friday night. It was National Day on the Sunday, and a Long Weekend, so people had a bunch of other stuff to do.
I didn't have a lot of time there and I wanted to go on most of the rides, so I only managed to get a few photos (and some videos). I only took my iPhone, so I apologise for the quality. I've got a couple of videos, if people are really interested I can upload them but they're really just of the coaster and the general park. If I can get more photos and videos from the people I was traveling with, I'll upload them too if people are interested.