In recent years, over hundred participants have competed in a number of disciplines in each season, culminating in finals.
Other Slovenian championships that are limited to younger age groups, include School Impro League (ŠILA) for high school teams, while Impro club is dedicated to regular Slovenian performers who have international impro experience with mentors, such as Daniel Gray Goldstein[1] from the Upright Citizens Brigade Theatre, New York City; Randy Dixon from the Unexpected Productions, Seattle, and Andreas Wolf[2] from Munich, Germany.
In its 17th incarnation the finals occurred at the Ljubljana Slovene National Theatre Drama venue[3] and since the 20th season they have been hosted by Spanish Fighters Culture Centre venue.
[4] In early 1990s, the concept of theatresports was introduced in Slovenia by the Ana Monró Theatre, founded in 1980s as the first street theatre group in Titoist Yugoslavia.
Nowadays well-known performers, including its co-founder Andrej Rozman – Roza, were among the participants in the league' early years.