Theodasium 2026 Esports and Gaming Festival — free admission at the Palais Omnisports in Thiais (94)

Theodasium, a free festival devoted to video games and esports, takes over the Palais Omnisports de Thiais (Val-de-Marne) on the weekend of October 17–18, 2026. Expect tournaments, family-friendly activities, VR experiences, and tech demonstrations for two days of competition and discovery. Read all about the schedule below.

Video games roll out the red carpet in Thiais! The city is staging the fourth edition of the Theodasium, its free festival of gaming and esports, at the Palais Omnisports de Thiais, in Val-de-Marne, on 17 and 18 October 2026. Open to players, families and the curious, the event brings together tournaments, activities and tech showcases to highlight the many facets of video gaming. Admission is free and no ticket is required, from 10:00 AM to 7:00 PM on both days.

The program caters to a wide range of interests: joining a competition, watching the matches, or spending a family-friendly afternoon around the activities. Modern games sit alongside retro gaming, and several stands also offer a chance to discover cutting-edge technologies.

Mario Kart, FC 27, Fortnite: the lineup of games

Players will be able to take on each other in Super Smash Bros. Ultimate, FC 27, Mario Kart World, Fortnite and Brawl Stars. To participate, you need to register on the festival’s official website. The tournaments are free, but some events require a minimum age: it’s worth checking the conditions before booking your spot.

The Arma Masters finals, organized by ArmaTeam, will bring together qualified competitors from across the season. Fans will be able to watch their matches live on site. For Fortnite and Brawl Stars, two standalone tournaments are planned for each title: one on Saturday, the other on Sunday.

What if we’re simply here to have fun?

A giant escape game, immersive virtual reality experiences, and a driving simulator to try your hand at simracing — the lineup isn’t limited to tournaments. The festival will also feature a retro gaming zone for classics lovers. fans of cosplay can look forward to a cosplay parade and photo opportunities with the costumes’ creators.

At the Just Dance booth, TheFairyDina will be guiding visitors for the full two days. Also known as Dina Just Dance, the professional player is the ambassador of this edition. A must-see for those who’d rather follow a choreographed routine than edge a turn in Mario Kart.

The program also features robotics, 3D printing, and an interactive wall. A raffle will offer several prizes, including a Nintendo Switch 2. For lunch or a break, a snack bar and a dining area will be available on site. You can plan a few hours of visiting, then decide on the spot whether to stay for another session.

This page may contain AI-assisted elements, more information here.