The Brothers Lionheart, the novel that partly inspired Arnt Jensen’s game Limbo, is being made into a $30 million dollar movie. Swedish director Tomas Alfredson has optioned the film rights. He has helmed Tinker Tailor Soldier Spy and Let the Right One In a Swedish vampire film that has received praise for being frightening and deeply moving. John Ajvide Lindqvist will adapt the novel into a screenplay.
Arnt Jensen, creator of eerie puzzle-platformer Limbo, has recently credited the book as having had a strong influence on him.
YouTube link is of the original film adaptation from 1977.