counter

Is it possible to make a kill counter? I want to track kills because I want to make a team deathmatch gamemode. Can anyone help me?

I've been trying to port this map https://i.gyazo.com/6f9bc9370ebb963af6bdbdfcd263c4d4.mp4 to tf2 using hammer but I've got a few problems. 1. I can load the map in sfm but when i try to open it in tf2 it says it is missing or invalid. Is this because I have to export the .bsp map file in a...

~Originally made in 7 hours for April Fool's Gameday 2017~ ARE YOU TIRED OF: Pesky respawns? Pesky damage other than hitscan? Pesky classes other than sniper? Pesky games other than Counterstrike? Pesky maps other than Dust 2? Counter-strike costing a WHOPPING fifteen U.S. dollars?? THEN THIS...