|Hard Choices (graphic novella)|
|Page count||32 pages|
Hard Choices 'What happened on Algol?' is a 32-page graphic novella prequel to Ultramarines: A Warhammer 40,000 Movie written by Dan Abnett, released as part of the Special Edition DVD on 29 November 2010. Hard Choices is a military science fiction story set in the Warhammer 40,000 universe, the protagonists being Space Marines from the Ultramarines Chapter.
Hard Choices 'What happened on Algol?' was commissioned to accompany Ultramarines : A Warhammer 40,000 Movie, made by UK-based production company Codex Pictures under licence from Games Workshop, working in association with Good Story Productions Ltd  and Montreal based POP6 Studios.
- Ultramarines: The Movie on IMDB
- Ultramarines on Lexicanum website
- Codex Pictures website
- Good Story Productions Ltd website
- "Pop6 Studios website". Archived from the original on 2010-09-20. Retrieved 2010-11-01.
- Special Edition DVD and graphic novel details on Official site
- Official site DVD release information