Red Tower Tokyo is located inside Tokyo Tower and is a large VR game and arcade theme park over 3 floors.
My kids really love it at Red Tokyo Tower and it is also very very popular with teenagers.
RED TOKYO
港区芝公園4-2-8
4-2-8 SHIBA-KOEN, MINATO-KU
See here for other things to do at Tokyo Tower.
Tokyo Tower is in Roppongi, see here for things to do in Roppongi before or afterwards.