Here are most of those overpriced mobile style games on the Microsoft Store that always seem to go free and get posted here. Feel free to move to forums if more appropriate.
Akadem GmbH - 15 Games
Bright Dream Apps - 5 Games
Education Terra - 59 Apps
Education Terra - 17 Games
Entertaiment Zone LLC - 9 Games
Flight Systems LLC - 4 Games
Gamenesis LLC - 16 Games
Games 4 Teens LLC - 12 Games
Music Breath LLC - 10 Apps
Music Breath LLC - 4 Games
Real Fighting LLC - 12 Games
Simulators Live LLC - 12 Games
Strategy Empire LLC - 40 Games
Teen Games LLC - 53 Games
How are these games normally $120+? Not even the most anticipated games of the year is this much, they're around $80 and they not even in the same ball park as these mobile type games.