Indie studio RedBoon has officially unveiled the release date for Nightmares of Millenis, the latest DLC for the deck-building roguelite Knock on the Coffin Lid. Launching on April 4, 2025, this expansion deepens the game’s dark fantasy narrative with fresh challenges, new bosses, and a Tarot card system that alters gameplay. Players can also expect an expanded karma system, offering even greater consequences for their in-game decisions. To mark the announcement, the studio has released a gripping new trailer, now available to watch.
The Nightmares of Millenis DLC introduces a range of formidable foes, each with unique mechanics that demand strategic adaptation. The newly implemented Tarot card system allows heroes to wield powerful modifiers, adding an extra layer of difficulty and competition for leaderboard supremacy. Meanwhile, the enhanced karma system ensures that every action—whether destroying idols or making ruthless choices—shapes the world in unexpected ways. With the fate of Median hanging in the balance, players must prepare for tough moral dilemmas and multiple new endings to uncover.
Since its launch in August 2024, Knock on the Coffin Lid has been widely praised for its hand-drawn art, deep storytelling, and challenging yet rewarding gameplay, earning a strong 85+ rating on Steam.
