Fan:DigiMemories (Chrono Surge)

A DigiMemory is an item which resembles a USB flash drive that appears in Fan:Digimon Chrono Surge. A DigiMemory is formed when Hubmon coughs it up. Each & every DigiMemory holds the spirit of a Digimon of the past. Takeru & his friends use the DigiMemories to summon the past Digimon, that combine with their Digimon.

Gammamon's DigiMemories

 * WarGreymon - This DigiMemory holds the spirit of WarGreymon from Digimon Adventure. Takeru uses this DigiMemory to summon WarGreymon, & to combine with Gammamon to form Gammamon War Mode.
 * ExVeemon - This DigiMemory holds the spirit of ExVeemon from Digimon Adventure 02. Takeru uses this DigiMemory to summon ExVeemon, & to combine with Gammamon to form Gammamon Ex Mode.
 * Gallantmon - This DigiMemory holds the spirit of Gallantmon from Digimon Tamers. Takeru uses this DigiMemory to summon Gallantmon, & to combine with Gammamon to form Gammamon Gallant Mode.
 * EmperorGreymon - This DigiMemory holds the spirit of EmperorGreymon from Digimon Frontier. Takeru uses this DigiMemory to summon EmperorGreymon, & to combine with Gammamon to form Gammamon Emperor Mode.
 * ShineGreymon - This DigiMemory holds the spirit of ShineGreymon from Digimon Data Squad. Takeru uses this DigiMemory to summon ShineGreymon, & to combine with Gammamon to form Gammamon Shine Mode.
 * Shoutmon X5 - This DigiMemory holds the spirit of Shoutmon X5 from Digimon Xros Wars Takeru uses this DigiMemory to summon Shoutmon X5, & to combine with Gammamon to form Gammamon X Mode.