Games by D4 Enterprise

Operate the hero Jim and defeat the demon Varalys, the strongest in mythology! A classic action RPG representing the 1980s.

The third entry in the detective J.B. Harold series is, surprisingly, a parallel story to “Manhattan Requiem”! Use deduction commands to solve the case.

A murder at the Kohaku-kan. Join Detective Ryunosuke Todo as he unpicks a tangled web of secrets to find the truth.

The epic conclusion to the LAYDOCK series. High stakes, relentless patterns, and pure tactical satisfaction.

Obtain the Book of Truth from the legendary Lizard Tower! This title is highly acclaimed as one of the finest Japanese-made RPGs from the dawn of PC gaming.

Take the throne as ruler of your nation, govern your lands, and read the ever-changing tides of battle to conquer all enemy nations!

A comical 3D RPG featuring a unique worldview and system. Join Arle Nadja, a girl aspiring to become a sorceress, as she adventures through three scenarios!

Dash through a 200 km/h world where your rivals await! The exciting car racing game is here!

A woman meets a mysterious death in Manhattan. Detective J.B. Harold begins his investigation with the help of his former partner, Jad Gregory.

The saga of the Lake Prince reaches its grand finale. A masterpiece Action RPG that masterfully fuses immersive visuals with pulse-pounding action!

The tale of a prince transformed into an ugly monster and cast to the ends of the world. Overcoming numerous challenges, he must now return to the princess!

Uncover the truth behind the clown murders in Brighton, England! A serious adventure game tailored for adults is here.

A unique title featuring aerial shooting and underground combat. High difficulty—intense battles await you!

A shooting game depicting a rescue drama set in an underwater city. Avoid obstacles and missile interference as you save the people of the underwater city!

The epic conclusion to the Mugen no Shinzou series. After escaping the Dream World, the warrior’s long-awaited homecoming is cut short by a new, unforeseen trial!

Form a party with your allies and escape from Elder Ain.Crystal Soft's masterpiece RPG returns, now with improved controls from the previous installment.

Having blasphemed against the gods at the moment of death, the protagonist is cast into the terrifying Mugen Realm. Now, the journey to escape from the Realm begin

Detective J.B. Harold rushes to solve a mysterious murder case that occurred in the outskirts of Liberty Town. Uncover the truth of the case!

Use your deductive powers to battle spirits in this unique Miyaji City horror adventure!

Set in a world of swords and magic, the comical adventures of a bounty hunter begin. The definitive slapstick action RPG adventure is here!

Master 8 unique ESP powers to command fire, ice at will! Transcend mere reflexes and experience the strategic thrill of crushing massive bosses with godlike power.

The MSX2 Version of “Puyo Puyo”, known as “Old Puyo” and “Prototype Puyo” is here. This is the origin of the classic puzzle game!

A classic falling-block puzzle game! Connect four Puyos of the same color to clear them!

Fight against scorpions, bats, and mummies as you search for the diamond among three treasures! A nostalgic early MSX action game!

敵の肉体を奪い、謎の海中遺跡を突破せよ。独自の憑依システムと、波音が彩る映画的なSF世界観。1986年にボーステックが放った、今なお色褪せない伝説のアクションアドベンチャー

This is an action-adventure game released by Bothtec in 1986. The main character is drifting as a spirit in the ruins that suddenly appear from under the sea.

Search for the legendary sword “Dragon Slayer” and defeat the dragon! Now with enhanced graphics and BGM compared to the original version.

A remake of the classic action RPG “Xanadu” has arrived—designed for ultra-heavy users, even seasoned Xanadu experts are sure to struggle!

Seeking the secret of Beljuna, May Osborn set out from the village. What he saw, guided by the crystal, was..

Set in a world where the power of the gods, Sail, is waning, you will embark on an adventure as Leen Kashua.

Embark on an epic adventure set in the world of Rune Worth. This game features a unique spell system where casting spells requires time to chant before activation.

Save the world from evil Sabnack! In this Kogado Studio action puzzle, play as Alph to revive petrified allies with a crimson cloak and guide them to the magic circle.

As supreme ruler, survive the war-torn galaxy by mastering diplomacy and strategy. This game blends cinematic twists with punishing combat against an AI.

A cute adventure game where the main character, a mouse named Prill, embarks on a journey to rescue his kidnapped sister.

Upgraded to support MSX2+, "MAOU GOLVELLIUS" has been reborn with enhanced graphics. Join the quest to save Princess Rena of the Kingdom of Aleid!

The best 3D shooter game of the 80's. Drive the SILPHEED fighter jet and crush the ambitions of the XACALITE who have sacked GLOIRE.

A masterpiece that brilliantly merges simulation and RPG genres with a medieval backdrop. Will the prince be able to reclaim Camelot Castle!?