diff --git a/README.md b/README.md
index 6171f8e..affd823 100644
--- a/README.md
+++ b/README.md
@@ -43,6 +43,12 @@ Remove spawn shield protection when firing.
 
 * This script is intended for legacy `2.77+` mod.
 
+## [Chat Shortcuts](chat-shortcuts/README.md)
+
+This script enables players to use chat shortcuts in their messages.
+
+This script is intended for legacy `2.83+` mod.
+
 # Notes
 * Please always add modname and version to your lua script
 ```
diff --git a/chat-shortcuts/README.md b/chat-shortcuts/README.md
new file mode 100644
index 0000000..8462e28
--- /dev/null
+++ b/chat-shortcuts/README.md
@@ -0,0 +1,22 @@
+# Chat Shortcuts
+
+This script enables players to use chat shortcuts in their messages.
+
+This script is intended for legacy `2.83+` mod.
+
+| Shortcut | Replaced by |
+| --- | --- |
+| `[a]` | Name of the last player who gave ammo to the player |
+| `[d]` | Name of the last player who killed the player |
+| `[g]` | First 8 characters of player GUID (can be seen in `/players`) |
+| `[h]` | Name of the last player who gave health to the player |
+| `[k]` | Name of the last player killed by the player |
+| `[l]` | Location of the player **(not implemented)** |
+| `[n]` | Name of the player |
+| `[r]` | Name of the last player who revived the player |
+| `[p]` | Name of the last player the player looked at **(not implemented)** |
+| `[s]` | Player remaining health |
+| `[w]` | Player weapon |
+| `[t]` | Player weapon ammo |
+| `[c]` | Player class |
+| `[o]` | Name of the player receiving the message |
diff --git a/chat-shortcuts/chat-shortcuts.lua b/chat-shortcuts/chat-shortcuts.lua
new file mode 100644
index 0000000..073b728
--- /dev/null
+++ b/chat-shortcuts/chat-shortcuts.lua
@@ -0,0 +1,237 @@
+-- This is free and unencumbered software released into the public domain.
+--
+-- Anyone is free to copy, modify, publish, use, compile, sell, or
+-- distribute this software, either in source code form or as a compiled
+-- binary, for any purpose, commercial or non-commercial, and by any
+-- means.
+--
+-- In jurisdictions that recognize copyright laws, the author or authors
+-- of this software dedicate any and all copyright interest in the
+-- software to the public domain. We make this dedication for the benefit
+-- of the public at large and to the detriment of our heirs and
+-- successors. We intend this dedication to be an overt act of
+-- relinquishment in perpetuity of all present and future rights to this
+-- software under copyright law.
+--
+-- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+-- EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+-- MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+-- IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+-- OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+-- ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+-- OTHER DEALINGS IN THE SOFTWARE.
+--
+-- For more information, please refer to <http://unlicense.org/>
+
+local modname = "Chat Shortcuts"
+local version = "1.0"
+
+local ENTITYNUM_NONE = (1 << 10) - 1
+local ENTITYNUM_WORLD = (1 << 10) - 2
+
+local last_killer = {}
+
+function formatUsername(clientNum)
+	if clientNum == nil or clientNum < 0 or clientNum == ENTITYNUM_NONE then
+		return "^7*unknown*"
+	elseif clientNum == ENTITYNUM_WORLD then
+		return "^7*world*"
+	else
+		return "^7" .. et.gentity_get(clientNum, "pers.netname")
+	end
+end
+
+local shortcuts = {
+	["a"] = function (sender, receiver) -- last player who gave you ammo
+		return formatUsername(et.gentity_get(sender, "pers.lastammo_client"))
+	end,
+	["d"] = function (sender, receiver) -- last player who killed you
+		return formatUsername(last_killer[sender])
+	end,
+	["g"] = function (sender, receiver) -- the first 8 characters of your GUID
+		local userinfo = et.trap_GetUserinfo(sender, receiver)
+		local guid = et.Info_ValueForKey(userinfo, "cl_guid")
+		return guid:sub(1, 8)
+	end,
+	["h"] = function (sender, receiver) -- last player who gave you health
+		return formatUsername(et.gentity_get(sender, "pers.lasthealth_client"))
+	end,
+	["k"] = function (sender, receiver) -- last player you killed
+		return formatUsername(et.gentity_get(sender, "pers.lastkilled_client"))
+	end,
+	["l"] = function (sender, receiver) -- your location
+		--local origin = et.gentity_get(sender, "ps.origin")
+		-- TODO BG_GetLocationString(origin[0], origin[1])
+		return "?,?"
+	end,
+	["n"] = function (sender, receiver) -- your name
+		return formatUsername(sender)
+	end,
+	["r"] = function (sender, receiver) -- last player who revived you
+		return formatUsername(et.gentity_get(sender, "pers.lastrevive_client"))
+	end,
+	["p"] = function (sender, receiver) -- last player you looked at
+		-- TODO and make sure disguised player name is returned if opposite team
+		-- idea: get closest player instead (with a distance limit?)
+		return "^7Buddy"
+	end,
+	["s"] = function (sender, receiver) -- remaining health
+		return et.gentity_get(sender, "health")
+	end,
+	["w"] = function (sender, receiver) -- name of current weapon
+		local weapon = et.gentity_get(sender, "ps.weapon")
+		if weapon == 1 then
+			return "Knife"
+		elseif weapon == 2 then
+			return "Luger"
+		elseif weapon == 3 then
+			return "MP 40"
+		elseif weapon == 4 then
+			return "Grenade"
+		elseif weapon == 5 then
+			return "Panzerfaust"
+		elseif weapon == 6 then
+			return "Flamethrower"
+		elseif weapon == 7 then
+			return "Colt"
+		elseif weapon == 8 then
+			return "Thompson"
+		elseif weapon == 9 then
+			return "Pineapple"
+		elseif weapon == 10 then
+			return "Sten gun"
+		elseif weapon == 11 then
+			return "Syringe"
+		elseif weapon == 12 then
+			return "Ammo Pack"
+		elseif weapon == 13 then
+			return "Artillery"
+		elseif weapon == 14 then
+			return "Silenced Luger"
+		elseif weapon == 15 then
+			return "Dynamite Weapon"
+		elseif weapon == 20 then
+			return "Binoculars"
+		elseif weapon == 21 then
+			return "Special"
+		elseif weapon == 23 then
+			return "K43 Rifle"
+		elseif weapon == 24 then
+			return "M1 Garand"
+		elseif weapon == 25 then
+			return "Scoped M1 Garand"
+		elseif weapon == 26 then
+			return "Landmine"
+		elseif weapon == 27 then
+			return "Satchel Charge"
+		elseif weapon == 28 then
+			return "Satchel Charge Detonator"
+		elseif weapon == 29 then
+			return "Smoke Bomb"
+		elseif weapon == 30 then
+			return "Mobile MG 42"
+		elseif weapon == 31 then
+			return "Scoped K43 Rifle"
+		elseif weapon == 32 then
+			return "FG 42 Paratroop Rifle"
+		elseif weapon == 34 then
+			return "Mortar"
+		elseif weapon == 35 then
+			return "Akimbo Colt"
+		elseif weapon == 36 then
+			return "Akimbo Luger"
+		elseif weapon == 37 then
+			return "GPG40"
+		elseif weapon == 38 then
+			return "M7"
+		elseif weapon == 39 then
+			return "Silenced Colt"
+		elseif weapon == 40 then
+			return "M1 Garand Scope"
+		elseif weapon == 41 then
+			return "K43 Rifle Scope"
+		elseif weapon == 42 then
+			return "FG 42 Paratroop Rifle Scope"
+		elseif weapon == 43 then
+			return "Mounted Mortar"
+		elseif weapon == 44 then
+			return "Adrenaline Syringe"
+		elseif weapon == 45 then
+			return "Silenced Akimbo Colt"
+		elseif weapon == 46 then
+			return "Silenced Akimbo Luger"
+		elseif weapon == 47 then
+			return "Mobile MG 42 Bipod"
+		elseif weapon == 48 then
+			return "Ka-Bar"
+		elseif weapon == 49 then
+			return "Mobile Browning"
+		elseif weapon == 50 then
+			return "Mobile Browning Bipod"
+		elseif weapon == 51 then
+			return "Granatwerfer"
+		elseif weapon == 52 then
+			return "Mounted Granatwerfer"
+		elseif weapon == 53 then
+			return "Bazooka"
+		elseif weapon == 54 then
+			return "MP34"
+		elseif weapon == 55 then
+			return "Airstrike"
+		else
+			return "Nothing"
+		end
+	end,
+	["t"] = function (sender, receiver) -- ammo for current weapon
+		local weapon = et.gentity_get(sender, "ps.weapon")
+		local ammo = et.gentity_get(sender, "ps.ammo", weapon)
+		local clip = et.gentity_get(sender, "ps.ammoclip", weapon)
+		return ammo + clip
+	end,
+	["c"] = function (sender, receiver) -- name of current class
+		local class = et.gentity_get(sender, "sess.playerType")
+		if class == 1 then
+			return "Medic"
+		elseif class == 2 then
+			return "Engineer"
+		elseif class == 3 then
+			return "Field Ops"
+		elseif class == 4 then
+			return "Covert Ops"
+		else
+			return "Soldier"
+		end
+	end,
+	["o"] = function (sender, receiver) -- other player receiving the message
+		return formatUsername(receiver)
+	end,
+}
+
+function et_InitGame(levelTime, randomSeed, restart)
+	et.RegisterModname(modname .. " v" .. version)
+end
+
+function et_Chat(sender, receiver, message)
+	local cache = {}
+	return message:gsub("%[([adghklnrpswtco])%]", function(shortcut)
+		if cache[shortcut] == nil then
+			cache[shortcut] = shortcuts[shortcut](sender, receiver)
+		end
+		return cache[shortcut]
+	end)
+end
+
+function et_ClientConnect(clientNum, firstTime, isBot)
+	last_killer[clientNum] = ENTITYNUM_NONE
+end
+
+function et_ClientDisconnect(clientNum)
+	last_killer[clientNum] = nil
+end
+
+function et_Obituary(target, attacker, meansOfDeath)
+	-- only save obituary when a client is known
+	if last_killer[target] ~= nil then
+		last_killer[target] = attacker
+	end
+end