Wadjet Eye Games is now accepting preorders for The Blackwell Epiphany, saying the fifth and final installment in the adventure series will be released on April 24th. The game can be preordered from this page where they also offer a new launch trailer, and here's word on incentives:

On April 24, preorder customers will get The Blackwell Epiphany as a DRM-free download, along with a slew of special bonuses:

• Exclusive video interviews with voice actors Abe Goldfarb (Joey) and Rebecca Whittaker (Rosa) discussing their work on the series
• Exclusive New York City video tour with series creator Dave Gilbert showing and talking about the real-world locations that inspired the Blackwell games
• Exclusive virtual invite to the Blackwell Epiphany launch party -- streamed live from Dave's apartment the evening of April 24! (Includes a hangout / Q&A session with members of the dev team)
• Blackwell Epiphany MP3 soundtrack
• Free Blackwell Epiphany Steam key that can be redeemed at launch