Purpose: It is aimed to evaluate the effect of structured exercise, wii-based exergame and wii-based serious game exercise protocols on functional parameters in individuals with pes planus. Method: 69 individuals with Pes Planus between the ages of 18-25 who met the inclusion criteria will be included in the study. Pedobarographic analysis, navicular drop test, flexibility, balance, femoral anteversion and lower extremity muscle strength measurements will be performed on the participants before and after the treatment. In addition, demographic information of individuals will be recorded through a survey. After the initial evaluation, participants will be randomly assigned to one of three groups. All subjects participating in the study will be treated under the supervision of a specialist physiotherapist for a total of 18 sessions, 3 days a week for 6 weeks, 40 minutes each session. Structured exercise group; short foot exercise, towel curl exercise, toe walking, heel walking, tandem walking, eccentric gastrosoleus stretching at the edge of the stairs, collecting objects from the ground with the toes, balance exercises on one foot will be performed. Penguin Slide, Tightrople Tension, Tilt Table, Soccer Heading and Balance Bubble games, which are balance games of the Nintendo wii game console, will be played for the Wii-based exergame group for 8 minutes each and a total of 40 minutes per session. For Wii-based serious game group, 3 games, Balance Surf, Balance Adventure and Balance Maze, which are among the balance games included in the Becure Balance System that works integrated with the Wii Balance Board, will be played for 40 minutes each session under the supervision of an expert physiotherapist. After the treatment, all measurements will be repeated, the difference between before and after treatment and the superiority of different treatment protocols will be tried to be determined.