Diving in the flooded cellars of “Kőbánya”, Budapest
http://www.titanbuvar.hu/diving-in-the-flooded-cellars-of-kobanya-budapest/
Diving in the Molnár János cave
http://www.mjcave.hu/en/diving
Caving under Budapest
http://caving.hu/
Sky Diving Budapest
http://www.skydivingbudapest.org/
Paragliding
http://www.sikloernyostanfolyam.hu/hu/tandem
Hot Air Balloon
http://www.holegballon.com/hot-air_balloon_rides
Trabant Rentals
http://rentatrabantbudapest.com/
Summer Bobsledding
http://visegrad.bobozas.hu/en
AK47 Time
http://www.topgunbudapest.com/
Russian Battle Tanks
http://tank.hu/
Ride a Glider
http://mavrepuloklub.hu/en/
Budapest Kyak Tour
https://www.budapestcanoe.com/collections/1-2-day-tours
Water Park
http://www.aquaworldresort.hu/en
Super Car Driving
http://www.supercars-driving.com/CARSandDRIVING
Hunting
http://www.dianahunts.hu/hunting-in-hungary/
Bikes
https://www.budapestbylocals.com/biking-in-budapest.html#bikerental
Fall Out Shelter / Underground Hospital
https://www.sziklakorhaz.eu/en
Escape Rooms
https://escaperoom-budapest.com/