Developer Wadjet Eye Games released two short prequel games, The Rebirth and The Reaper , which you can download for free to get a taste of the story and mechanics.
* GOG. Drm Free. store low $2.39. lower by $2.10. -70% $4.49. $14.99. * Humble Store. Steam, Drm Free. store low $4.49. lower by $ IsThereAnyDeal Shardlight Price History - IsThereAnyDeal Shardlight Free Full Game Download
Often featured in seasonal sales, you can find it on Steam for a standard price of $14.99. Developer Wadjet Eye Games released two short prequel