The Stranger Than Fiction writer has signed on for Sony Pictures' reboot, reports Heat Vision.
Matt Tolmach and Bill Teitler will produce the new adaptation of the 1981 Chris Van Allsburg book.
The Joe Johnston-directed 1995 film adaptation of Jumanji starred Robin Williams, Bonnie Hunt, Kirsten Dunst and Bradley Pierce.
The tale centres around a mysterious board game that comes to life and begins to change the world around it. When two children discover it, they release a former player who has been trapped inside for decades.
Helm also wrote Mr Magorium's Wonder Emporium - which he directed - and has worked on a rewrite of upcoming Ben Stiller vehicle The Secret Life of Walter Mitty.
Watch the original Jumanji's trailer below: