TF2 x100 is a modification of TF2x10 - Multiply a Weapon's Stats by 10 plugin developed by Wliu. This gamemode modification was by Melissa who also developed x1000 (successor).
The gamemode was first officially announced on July 3, 2017.
This gamemode multiplies every player's weapon stats by 100, causing mayhem.
This gamemode is a predecessor to x1000 (developed by Melissa).