game, featuring an 'Arcade Mode' whose storyline takes place after the original Melty Blood. The expansion made numerous changes in regards to character balance and to remove many infinite-combo sequences. New movesets were created for the doppelgänger characters, whereas in the original, most of these characters had nearly identical movesets to their counterparts. It also made changes to the game's mechanics and added several new characters, though only two are playable the other four NPCs: Ren, Satsuki Yumizuka, Neko-Arc (non-playable character) Executioner Ciel (Ciel holding the Seventh Holy Scripture, non-playable character), White Ren (Sub Boss) and Aoko Aozaki (non-playable boss). The final update to Re-ACT, Final Tuned, adds several features designed to allow the game to be configured to resemble the gameplay of Melty Blood Act Cadenza. It also adds a large number of gameplay tweaks and slightly updated animations, such as the inclusion of a new, analog-friendly controller setup; new configuration options that lets players assign multi-button commands to individual buttons; the ability to alter and adjust many of the game's internal variables (via new interface options); and four new colors for each player. Melty Blood Act Cadenza Melty Blood Act Cadenza was the first arcade port of the series and was published by Ecole Software. The visual novel was removed, while the Arcade Mode dialogue featured in Re-ACT returns. It completely revamped Aoko Aozaki's movelist for use as a playable character, and introduced Kouma Kishima into the series, a man who was deeply involved in Shiki Tohno's past. It also introduced the Shielding mechanic (separate from EX-Shielding), as well as including various changes to the properties of characters. This version (as well as the later released Ver. A) can be identified by the Atlasia crest, and the phrase "Through the Looking-Glass, Black Light transparently", both present in the logo. Melty Blood Act Cadenza, released for the PlayStation 2, was unique as a port in that it included an option to revert to Version A mechanics, yet introduced significant changes that were later included in Ver. B, including an early version of Neco-Arc Chaos as a hidden character. It is sometimes known as "Ver. A2". Melty Blood Act Cadenza Ver. B is an arcade port of the PS2 game with various changes and upgrades, the most notable of which is the inclusion of White Len as a playable character, with a significantly weakened moveset. It also introduced a fifth