"Sealing of the Tyrant," now available on EGG Console. A classic fantasy RPG representing the early days of Kōkado Studio.
Note: the original Japanese article can be found at:
https://www.4gamer.net/games/951/G095153/20251009020/
Editorial Department: Yashijima | 2025/10/09 04:18 (UTC)
D4 Enterprise today (October 9, 2025) has launched the distribution of “EGG Console: The Sealing of Tyranny PC-8801,” the 71st title in its Nintendo Switch retro game streaming service “EGG Console” on My Nintendo Store. The price is 880 yen (tax included).
My Nintendo Store - EGG Console: The Sealing of Tyranny PC-8801
“The Sealing of Tyranny” is a fantasy RPG originally released in 1986 by Kogado Studio. As one of the studio’s landmark early titles, it gained popularity as an immersive field-based RPG offering authentic party gameplay.
The game captivated players at the time with its complex monster designs, intricate backstory, and special “Completion Certificate” campaign awarded upon finishing the game.
Thumbnail image No.002 / “The Sealing of Tyranny,” now streaming via EGG Console. A classic fantasy RPG representing the early days of Kogado Studio Thumbnail image No.003 / “The Sealing of Tyranny,” now streaming via EGG Console. A classic fantasy RPG representing the early days of Kogado Studio
Players take on the role of a descendant of the hero Iason, embarking on an adventure with companions scattered across the world to unravel the mystery behind “The Sealing of Tyranny” and restore peace.
One of the game’s defining features is its high difficulty—not only due to combat progression but also because players must listen attentively to countless people in order to solve multiple mysteries. Not just townspeople and field wanderers, but even monsters can provide valuable information. Paying close attention to these hints will greatly assist in completing the game.
Thumbnail image No.004 / “The Sealing of Tyranny,” now streaming via EGG Console. A classic fantasy RPG representing the early days of Kogado Studio Thumbnail image No.005 / “The Sealing of Tyranny,” now streaming via EGG Console. A classic fantasy RPG representing the early days of Kogado Studio
Collect information with your companions, solve numerous puzzles, and rescue the world from peril. This is a quintessential classic RPG—one that cannot be overlooked when discussing Japanese role-playing game history.
The game features a “Gallery” mode, allowing players to access rare original manuals from the era.
Official EGG Console Website
October 9, 2025: “EGG Console: The Sealing of Tyranny PC-8801” released for Nintendo Switch
On October 9, 2025, D4 Enterprise Co., Ltd. (headquartered in Chuo Ward, Tokyo; CEO Naoto Suzuki), a company specializing in retro game remastering and distribution, launched the release of “The Sealing of Tyranny PC-8801,” the 71st title in its Nintendo Switch-exclusive retro gaming service “EGG Console” under the Project EGG initiative.
Thumbnail image No.002 / “The Sealing of Tyranny,” now streaming via EGG Console. A classic fantasy RPG representing the early days of Kogado Studio Thumbnail image No.003 / “The Sealing of Tyranny,” now streaming via EGG Console. A classic fantasy RPG representing the early days of Kogado Studio Thumbnail image No.004 / “The Sealing of Tyranny,” now streaming via EGG Console. A classic fantasy RPG representing the early days of Kogado Studio Thumbnail image No.005 / “The Sealing of Tyranny,” now streaming via EGG Console. A classic fantasy RPG representing the early days of Kogado Studio Thumbnail image No.006 / “The Sealing of Tyranny,” now streaming via EGG Console. A classic fantasy RPG representing the early days of Kogado Studio
Experience an epic, out-of-this-world RPG! Descendant of hero Iason, unravel the mystery of “The Sealing of Tyranny” with companions scattered across the world and restore peace!
Basic Information:
Title: EGG Console: The Sealing of Tyranny PC-8801
Genre: Role-Playing Game
Developer: Kogado Studio
Original Release Year: 1986
Distribution Site URL: https://store-jp.nintendo.com/list/software/70010000105705.html
Introduction Video URL: https://youtu.be/CRJq_lPG7R0
Release Date: October 9, 2025
Price: 880 yen (tax included) (Japan)
Available Regions: Japan, North America, Europe, Australia
Copyright Notice:
(C) KOGADO STUDIO
(C) D4Enterprise Co.,Ltd. / (C) MSX Licensing Corporation.
About “The Sealing of Tyranny”:
This fantasy RPG was originally released in 1986 by Kogado Studio and is a landmark title from the studio’s early years. It became popular as an authentic field-based party RPG, earning the nickname “Dimensional Software” for its unique world-building. Complex monster design, layered lore, and a special “Completion Certificate” campaign upon finishing the game captivated players at the time.
The core challenge of this game lies not just in combat progression, but also in listening to countless people—and solving multiple puzzles—to progress. While conversations with townspeople and field wanderers are essential, later stages even allow dialogue with monsters. Carefully heeding their advice will prove crucial for successfully completing the game.
This is a true classic RPG—where players gather information with companions and solve numerous mysteries to rescue the world from peril. It’s an indispensable title when discussing the foundations of Japanese role-playing games.
※ Scene selection function is not available.
※ USB keyboards are supported only on Nintendo Switch in Japanese environments using Japanese 106, 108, or 109 keyboard layouts. Not all USB keyboards and key inputs are guaranteed to work.
About “EGG Console: The Sealing of Tyranny PC-8801”:
• “Gallery” Mode
Original rare manuals from the era are available for viewing anytime.
Stay updated with the latest news. Visit the dedicated EGG Console website here:
https://www.amusement-center.com/project/egg/console/
What is “Project EGG”?
In the 1980s, numerous platforms such as PC-8801, FM-7, and X1 existed. Games released during this era profoundly influenced today’s entertainment landscape. However, due to deterioration of storage media and changes in hardware platforms, many of these games have become unplayable over time.
D4 Enterprise regards retro games as cultural heritage and launched “Project EGG.” We remain respectful toward game content creators, hardware developers, and all enthusiasts who cherish retro gaming, striving sincerely to ensure that retro games continue to be enjoyed for generations to come.
Over 1,100 retro games distributed! Visit the Project EGG website:
https://www.amusement-center.com/project/egg/
The soundtrack of your favorite game—only here!? Over 9,000 tracks available. Explore EGG MUSIC:
https://www.amusement-center.com/project/emusic/
Watch game introductions on YouTube! Visit the EGG Channel:
https://www.youtube.com/ProjectEGG
Get real-time updates! Follow our official X (formerly Twitter) account, “EGG now!”:
https://twitter.com/project_egg
Official Facebook page for Project EGG:
https://www.facebook.com/ProjectEGG