A Useful guide showing all the known chat commands in the game!
SCP Pandemic Chat Commands
Help / HELP / MAN
Say / SAY / TALK / WHISPER
Restart Game / RESTARTGAME / RESTART / ENDGAME
Start Game / STARTGAME / START
Add Admin / ADDADMIN / ADMIN / OP
Remove Admin / REMOVEADMIN / DEOP
Give Item GIVE / GET / ADD
List Players / LISTPLAYERS / LIST / PLAYERS
Ban Player / BANPLAYER / ADDBAN / BAN / HAMMER
Unban Player / UNBANPLAYER / REMOVEBAN / UNBAN
List Bans / LISTBANS / BANS
List Admins / LISTADMINS / ADMINS
Host Game / HOSTGAME / HOST
God Mode / GODMODE / GOD
Admin Command / KILL / KILLPLAYER
Kick Player / BANPLAYER / ADDBAN / BAN
Heal / HEAL / MED / H
Resupply / RESUPPLY / AMMO / GIVEAMMO
Ron / RON / EFT
Stop / STOP / EXIT
List Owners / LISTOWNERS / OWNERS
Add Owner / ADDOWNER / OWNER
Remove Owner / REMOVEOWNER
List Objectives / LISTOBJECTIVES / OBJECTIVES
List Active Objectives / LISTACTIVEOBJECTIVES / ACTIVEOBJECTIVES
Activate Objectives / ACTIVATEOBJECTIVE / ACTIVATE
Say / SAY / TALK / WHISPER
Restart Game / RESTARTGAME / RESTART / ENDGAME
Start Game / STARTGAME / START
Add Admin / ADDADMIN / ADMIN / OP
Remove Admin / REMOVEADMIN / DEOP
Give Item GIVE / GET / ADD
List Players / LISTPLAYERS / LIST / PLAYERS
Ban Player / BANPLAYER / ADDBAN / BAN / HAMMER
Unban Player / UNBANPLAYER / REMOVEBAN / UNBAN
List Bans / LISTBANS / BANS
List Admins / LISTADMINS / ADMINS
Host Game / HOSTGAME / HOST
God Mode / GODMODE / GOD
Admin Command / KILL / KILLPLAYER
Kick Player / BANPLAYER / ADDBAN / BAN
Heal / HEAL / MED / H
Resupply / RESUPPLY / AMMO / GIVEAMMO
Ron / RON / EFT
Stop / STOP / EXIT
List Owners / LISTOWNERS / OWNERS
Add Owner / ADDOWNER / OWNER
Remove Owner / REMOVEOWNER
List Objectives / LISTOBJECTIVES / OBJECTIVES
List Active Objectives / LISTACTIVEOBJECTIVES / ACTIVEOBJECTIVES
Activate Objectives / ACTIVATEOBJECTIVE / ACTIVATE
Thanks to Frainz for his great guide, all credit to his effort. you can also read the original guide from Steam Community. enjoy the game.