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Games developed by Sonnori Co., Ltd.

We provide a list of companies that developed abandonware games. Select a company to view its games. To make searching easier, use pagination by number or letter.

Astonishia Story

Windows, GP32 2002
Astonishia Story, launched in 2002, quickly captivated players with its blend of classic role-playing elements and an engaging narrative. Set in a world where magic and mystery abound, this Windows game invites players into a fantastical journey filled with challenging quests, memorable characters, and strategic gameplay. The game stands out for its beautiful pixel art graphics, reminiscent of the RPGs from the golden age of the genre, appealing to both nostalgia and modern sensibilities. At its core, Astonishia Story revolves around the protagonist, who must navigate a richly developed landscape brimming with intrigue. Players encounter a variety of characters, each with their own backstories and motivations. The narrative weaves a tapestry of friendship, betrayal, and heroism, drawing players deeper into its plot. As the story unfolds, players are tasked with making choices that influence their character’s development and the game’s outcome, enhancing replayability and engagement. The combat system in Astonishia Story is designed to challenge players while ensuring a satisfying experience. It merges traditional turn-based mechanics with unique special abilities that can be unlocked over time. This allows for strategic planning while engaging in battles against formidable foes. Players must carefully build their party's strength and exploit enemy weaknesses, adding layers of depth to the game’s combat strategy. Character progression is another highlight of Astonishia Story, as players level up their heroes through experience gained in battles. This growth system encourages experimentation with character builds and team compositions, allowing for personalization that resonates with every player’s style. Additionally, various side quests and hidden treasures enhance the gameplay experience, offering rewards that can aid in the main quest and encourage exploration. Despite its charming appeal, Astonishia Story is not without its quirks. Some gameplay mechanics can feel clunky by today’s standards, which may frustrate newcomers unfamiliar with its retro roots. However, for dedicated fans of the genre, these idiosyncrasies add to the nostalgic charm, creating a unique playing experience that harkens back to an era when storytelling and exploration were paramount. Astonishia Story remains a gem for those who appreciate old-school RPGs. Its captivating narrative, colorful visuals, and engaging gameplay mechanics provide hours of entertainment. As players traverse its whimsical world, they are not only challenged but also transported into a realm where fantasy reigns supreme, highlighting the timeless allure of role-playing adventures.

Astonishia Story

DOS 1994
1994, the year Astonishia Story was released in DOS. Made by Sonnori Co., Ltd. and published by Softry, this rpg is available for free on this page.

Darkside Story

DOS 1995
1995, the year Darkside Story was released on DOS. Made by Sonnori Co., Ltd. and published by SKC Soft Land, this action game is available for free on this page.

Legend of Heroes

Arcade 2000
Legend of Heroes is an arcade game that was released in the year 2000, developed by the renowned company, Namco. This game is a fantasy role-playing game (RPG) that takes place in a mystical world filled with magic and adventure. It has gained a huge fan following over the years and has become a cult classic in the world of gaming. The story of Legend of Heroes revolves around a young hero on a quest to save his kingdom from the clutches of an evil sorcerer. This sorcerer has unleashed a dark force upon the land, and it is up to our brave protagonist to gather a team of skilled warriors and defeat the sorcerer. The game is set in a medieval world with beautiful landscapes and diverse characters. The graphics and animations are top-notch, making the game visually stunning even by today's standards. What sets Legend of Heroes apart from other RPGs is its unique combat system. Unlike traditional turn-based battles, this game features a real-time action-packed battle system where players have to be quick on their feet and strategize accordingly. Each character has their own set of skills and abilities, making it crucial for players to choose the right combination of characters for each battle. The game also allows players to customize their characters' abilities and weapons, adding a layer of complexity and depth to the gameplay. In addition to its combat system, Legend of Heroes also offers a deep and engaging storyline. The game is divided into chapters, and as the players progress through the game, they uncover more about the characters' past and their motivations. The dialogue and cutscenes in the game are well-written, immersing the players in the world of Legend of Heroes. Players can also interact with various NPCs (non-player characters) to gather information and complete side quests, adding more depth to the already rich storyline. Moreover, Legend of Heroes also features a multiplayer mode, allowing players to team up with their friends and tackle challenging dungeons and bosses together. This feature enhances the game's replay value as players can experience the game in a whole new way by playing with different combinations of characters and strategies. The game also offers various collectibles and hidden secrets waiting to be discovered, making each playthrough unique and exciting.

Steel Empire

Windows 1999
Steel Empire landed on Windows in the waning years of the millennium, inviting players into a brass clad world where cities drift on gears and airships carve silver trails across the sky. The game fuses strategy, resource management, and brisk battlefield tactics into a compact package that feels ambitious without shouting. From the opening map onward, you sense a care for pacing, a willingness to reward experimentation, and a visual language built from chunky sprites, rumbling engines, and copper light that glints off metal surfaces. Core play unfolds as a hybrid of real time skirmishing and deep base building. You marshal crews, draft steam tanks, and deploy dirigibles to snag strategic points, all while managing scarce coal, oil, and scrap. The terrain matters, with hills offering cover and weather muting or amplifying engines. Battles unfold on small grids where every move matters, and smart positioning determines victory as much as raw firepower. The campaign weaves a handful of rival factions with distinct quirks, pushing you to adapt rather than to ram through a single blueprint. Art direction leans toward a gritty, mechanical elegance. Industrial clangs echo while your fleets grind into formation, and animations carry a tactile weight that makes orders feel consequential. The sound design supplements atmosphere with creaks, whistles, and resonant percussion underlining every decisive clash. Interface choices favor clarity amid scope: a compact minimap, a resource panel, and a corridor of unit portraits that reveal morale and supply status at a glance. The control scheme remains mouse focused, yet keyboard shortcuts speed up chains of command for players chasing efficiency. Today Steel Empire sits in the archival glow of forgotten classics, a title that has earned a quiet reverence among retro enthusiasts. Its unapologetic midrange ambition offers a reminder that a game can feel grand without bleeding edge production values. For those who savor inventive warfare systems and a mood that blends diesel punk fantasia with strategy, this 1999 Windows artifact still reads as a surprisingly compact master class in design discipline. Its legacy whispers to modern indie designers about balance, pacing, and the joy of tactical thinking under pressure. Fans recount multiplayer bouts where clever air squadron gambits turned builds into sieges, and campaigns where improvisation hinged on last minute resource swaps. A few grumbles persist about occasional pathfinding quirks and a clumsy save system, yet the core duel between brass audacity and tactical restraint shines.
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