As the first sequel of DemonStar: Classic, DemonStar: Secret Missions 1 (short for DemonStar SM1) has not much difference from DemonStar: Classic in essence, but with several important and notable upgrades: an enhanced version of the original engine (arcade quality graphics, sound FX) and all new levels and music soundtrack.

Castlevania: Legacy of Darkness (AKA: Akumajō Dracula Mokushiroku Gaiden: Legend of Cornell, 悪魔城ドラキュラ黙示録外伝 LEGEND OF CORNELL, Demon Castle Dracula Apocalypse Gaiden: Legend of Cornell), released by KONAMI for Nintendo 64 game console in 1999, as a prequel and extended edition of the first/last Castlevania work (Castlevania 64) on N64 platform.

3D Live Pool is a stereoscopic billiards game for Windows. Its realistic 3D graphics enables you to enjoy the fun of table tennis on the computer, without having to go out to scramble for table with others. Even more amazing is such a realistic pool game has only 3 MB file size!

Castlevania: Symphony of the Night (ANA: 悪魔城ドラキュラX 月下の夜想曲, Akumajo Dracula X: Gekka no Yasoukyoku, Devil's Castle Dracula X: Nocturne in the Moonlight) closely follows the storyline of Castlevania: Rondo of Blood, published by KONAMI in 1997 for SONY PlayStation console first, then transplanted to Sega Saturn in the next year, and landed PlayStation Portable in 2007. It is called the peak and an important milestone of the whole Castlevania series.

Castlevania: Dracula X (AKA: Akumajō Dracula XX, 悪魔城ドラキュラXX, Castlevania: Vampire's Kiss) was released for SNES (Super Nintendo Entertainment System) video game console in 1995 in Japan, USA and Europe. This game was later also released as a Wii U Virtual Console download in 2014.