Requires at least 1 Dummy account
Open the command console: ESC > Gear Icon > Under the keyboard tab select Advanced > Check off Enable Developer Console
Press the ` button to open the console and type:
map sd_doomsday_event; hostname "boost"; sv_lan 0; sv_cheats 0;
That will create your match. Choose the Red Team. Then type the following command:
mp_teams_unbalance_limit 0; mp_idledealmethod 0;
This will let you stack the Blue team and not kick idle dummy accounts
Set your dummy accounts to blue
On this map you will see plenty of pumpkins. Some of these pumpkins will have Dynamite duck taped to it. Get the dummy accounts near the pumpkin and blow it up. It is an instant kill if right beside it. Repeat this until you have 5 kills.