The Bonus Content is a DLC for Serious Sam 3: BFE. It is available to purchase on the Steam store for $9.15, or £6.99 in the UK.
Unlike other DLCs in the series, the Bonus Content doesn't add a new campaign. Instead it includes several new features, which consists of:
- The original soundtrack of the game in AAC, FLAC and WMA formats.
- The Brett Sanderson player model.
- A sniper scope for the AS-24 Devastator, but only for the single-player campaign.
- A making-of video of the game (in Croatian, with English subtitles).
- A digital 42-page colored artwork album.
- A digital copy of the game's box art.
- High-resolution images of the game's posters.
- High-resolution versions of the game's different trailers.