The coming-of-age horror tale also took best supporting actress for Jintara Sukphat, best script and best cinematography. It recently won the crystal bear for best feature film at Berlin 's Kplus competition.
Noodle Boxer scooped two awards: best actress for Natthaweeranuch Thongmee and best supporting actor for Kohtee Aramboy. The comedy also won a HBO award for the top Thai film in 2006 with $2.9m (98.6m baht) box office takings.
Horror thriller 13 Beloved received two nods including best actor for Krissada Sukosol Clapp and best editing while Thailand 's first 3D animation Khan Kluay won best music score.
Despite multiple nominations, Wisit Sasanatieng's Unseeable was largely overlooked with only one win for best art direction while Pen-ek Ratanaruang's Invisible Waves and Nithiwat Tharatorn's Seasons Change walked away empty-handed.
Presented by the Bangkok Critics Assembly, the National Critic Awards is regarded as the most coveted in the industry. This year's jury panel consisted of 24 Thai critics.
Thailand 's other major film awards are the Golden Doll Awards, which is the oldest film award handed out by the Entertainment Reporters Association; the Star Pics Awards, by Thailand 's oldest movie magazine; the Khom Chud Luek Awards, by a Thai-language newspaper owned by the Nation Multimedia Group; and the Suphannahong Awards, by the Federation of National Film Producers.
Dorm is the biggest winner with a combined 16 wins from the various awards.