The atmospheric puzzle adventure launched its first public demo and will be participating in Steam Next Fest February 2026.

Belgian indie game studio Badass Mongoose just pressed the big green “launch demo” button in Steam, for their atmospheric puzzle-adventure Helix: Descent N Ascent. It will participate in the February edition of Steam Next Fest, from 23 February to 2 March.

The demo offers a first hands-on with the black & white puzzle adventure, with about 30 minutes of gameplay and three abilities for players to apply in brain-teasing exploration and puzzle-solving, while your dark counterpart seems to sabotage your every move. ​

Helix: Descent N Ascent has a monochrome artstyle that draws inspiration from 1980s black-and-white indie comics, 1990s manga, and 1970s Franco-Belgian comics. With atmospheric music by Jim Guthrie (Sword and Sorcery, Nobody Saves The World and Below) added into the mix, it makes for an artistic journey to remember!