Greymon (Blue)

BlackGreymon is a viral Greymon, more blue than actually black.

Attacks Attacks in Digimon Rumble Arena 2
 * Bit Fire: Breathes out a small ball of fire.
 * Great Antler: Attacks multiple times with the horns on the head.
 * Flame Breath (Mega Flame): Breathes fire.
 * Fire Horn: Attack with a burning horn of fire.
 * Grey Tooth
 * Great Antler Attack (Great Horn Attack)
 * Great Antler Bash (Great Horn)
 * Tail Whip
 * Great Antler Drop (Great Horn)

Digimon World Data Squad
Greymon (Blue) is an unlockable digivolution in Biyomon's galaxy. He also appears as an enemy in some zones.

Digital Monster D-Project
A bluish virus version of Greymon can be seen in the Digimon Dictionary.

Digimon Rumble Arena 2
BlackGreymon is the digivolution of BlackAgumon, and can warp digivolve into BlackWarGreymon.

Digimon Story: Cyber Sleuth
Greymon (Blue) is a Fire Virus Type, Champion level Digimon and uses 8 memory. It digivolves from Agumon (Black), Guilmon and Goblimon and can digivolve to DoruGreymon, Knightmon and MetalGreymon (Blue). Its special attack is Bit Fire and its support skill is Dragon's Wrath which increases attack by 10%.

Digimon Story: Cyber Sleuth - Hacker's Memory
Greymon (Blue) is #091 and is a Fire Virus Type, Champion level Digimon and uses 8 memory. It digivolves from Agumon (Black), Guilmon and Goblimon and can digivolve to DoruGreymon, Knightmon, MetalGreymon (Blue) and Triceramon. Its special attack is Bit Fire and its support skill is Dragon's Wrath which increases attack by 10%.

Digimon World: Next Order
Greymon (Blue) is a Fire Virus type, Champion level Digimon. It digivolves from Agumon, Agumon (Black) and ToyAgumon (Black) and can digivolve into MetalGreymon (Blue), SkullGreymon and Gigadramon. If the poop gauge hits max, it will digivolve into PlatinumSukamon.