Mystery Adventure "Dark Auction" Releases Playable Demo of Its Prologue on Steam
Note: the original Japanese article can be found at:
https://www.4gamer.net/games/738/G073812/20251009057/
Editorial Department: Chihiro | 2025/10/10 03:00 (UTC)
IzanaGi Games and Good Smile Company have today (October 10, 2025) released the free demo version of the mystery adventure game “Dark Auction” on Steam.
The demo allows players to experience the game’s opening chapter. The full version is scheduled for release on January 29, 2026, so those interested in trying it out before launch are encouraged to download and play.
Additionally, participation in the Steam Next Fest, running from October 14 at 2:00 AM to October 21 at 2:00 AM, has also been confirmed.
＜Below is the official press release content as provided by the manufacturer＞
Free Demo of Mystery Adventure Game “Dark Auction” Now Available on Steam!
Also Joining the Steam Next Fest Starting October 14!
“Dark Auction” is scheduled for release on January 29, 2026, on Nintendo Switch, Steam, and PlayStation 5!
IzanaGi Games Co., Ltd. (Headquarters: Shibuya, Tokyo; Producer & CEO: Shinsuke Umeda) and Good Smile Company Inc. (Headquarters: Chiyoda, Tokyo; President & CEO: Genta Iwasaki) have announced today the release of the Steam demo version for the mystery adventure game “Dark Auction.”
The game will also participate in the upcoming Steam Next Fest.
Play the Steam Demo
https://store.steampowered.com/app/2363180/_/
▼Steam Next Fest
Dates: October 14, 2:00 AM – October 21, 2:00 AM
Free Demo of “Dark Auction” Now Available!
The demo includes the opening chapter—please enjoy it!
Thumbnail image for Gallery No.001 / Mystery Adventure “Dark Auction,” a playable trial version covering the opening chapter available on Steam Thumbnail image for Gallery No.002 / Mystery Adventure “Dark Auction,” a playable trial version covering the opening chapter available on Steam
Explore the ancient castle
The auction participants…
Steam Wishlist registration is currently open!
https://store.steampowered.com/app/2363180/_/
Follow IzanaGi Games’ Steam page for the latest updates on “Dark Auction,” information about all games, sales announcements, and news on upcoming titles! We look forward to your likes and participation!
IzanaGi Games Steam Page: https://store.steampowered.com/curator/38202714