diff --git a/config/permission_groups.lua b/config/permission_groups.lua
new file mode 100644
index 00000000..e75df02d
--- /dev/null
+++ b/config/permission_groups.lua
@@ -0,0 +1 @@
+local Permission_Groups = require 'expcore.permission_groups'
\ No newline at end of file
diff --git a/expcore/permission_groups.lua b/expcore/permission_groups.lua
new file mode 100644
index 00000000..e1d48001
--- /dev/null
+++ b/expcore/permission_groups.lua
@@ -0,0 +1,164 @@
+local Game = require 'utils.game'
+local Event = require 'utils.event'
+
+local Permissions_Groups = {
+    groups={}, -- store for the different groups that are created
+    _prototype={} -- stores functions that are used on group instances
+}
+
+function Permissions_Groups.new_group(name)
+    local group = setmetatable({
+        name=name,
+        actions={},
+        allow_all_actions=true
+    },{
+        __index= Permissions_Groups._prototype
+    })
+    Permissions_Groups.groups[name] = group
+    return group
+end
+
+function Permissions_Groups.get_group_by_name(name)
+    return Permissions_Groups.groups[name]
+end
+
+function Permissions_Groups.get_group_from_player(player)
+    player = Game.get_player_from_any(player)
+    local group = player.permission_group
+    if group then
+        return Permissions_Groups.groups[group.name]
+    end
+end
+
+function Permissions_Groups.reload_permissions()
+    for _,group in pairs(Permissions_Groups.groups) do
+        group:create()
+    end
+end
+
+function Permissions_Groups.lockdown_permissions(exempt)
+    if type(exempt) ~= 'table' then
+        exempt = {exempt}
+    end
+    for _,group in pairs(exempt) do
+        if type(group) == 'string' then
+            exempt[group:lower()] = true
+        elseif type(group) == 'table' then
+            exempt[group.name:lower()] = true
+        end
+    end
+    for _,group in pairs(game.permissions.groups) do
+        if not exempt(group.name:lower()) then
+            for _,action in pairs(defines.input_action) do
+                group.set_allows_action(action,false)
+            end
+        end
+    end
+end
+
+function Permissions_Groups.set_player_group(player,group)
+    player = Game.get_player_from_any(player)
+    local group = Permissions_Groups.get_group_by_name(group)
+    group:add_player(player)
+end
+
+function Permissions_Groups._prototype:set_action(action,state)
+    self.actions[action] = state
+    return self
+end
+
+function Permissions_Groups._prototype:allow(actions)
+    if type(actions) ~= 'table' then
+        actions = {actions}
+    end
+    for _,action in pairs(actions) do
+        self:set_action(action,true)
+    end
+    return self
+end
+
+function Permissions_Groups._prototype:disallow(actions)
+    if type(actions) ~= 'table' then
+        actions = {actions}
+    end
+    for _,action in pairs(actions) do
+        self:set_action(action,false)
+    end
+    return self
+end
+
+function Permissions_Groups._prototype:allow_all()
+    self.allow_all_actions = true
+    return self
+end
+
+function Permissions_Groups._prototype:disallow_all()
+    self.allow_all_actions = false
+    return self
+end
+
+function Permissions_Groups._prototype:is_allowed(action)
+    local state = self.actions[action]
+    if state == nil then
+        state = self.allow_all_actions
+    end
+    return state
+end
+
+function Permissions_Groups._prototype:get_raw()
+    return game.permissions.get_group(self.name)
+end
+
+function Permissions_Groups._prototype:create()
+    local group = self:get_raw()
+    if not group then
+        group = game.permissions.create_group(self.name)
+    end
+    for _,action in pairs(defines.input_action) do
+        group.set_allows_action(action,self:is_allowed(action))
+    end
+    return group
+end
+
+function Permissions_Groups._prototype:add_player(player)
+    player = Game.get_player_from_any(player)
+    local group = self:get_raw()
+    group.add_player(player)
+end
+
+function Permissions_Groups._prototype:remove_player(player)
+    player = Game.get_player_from_any(player)
+    local group = self:get_raw()
+    group.remove_player(player)
+end
+
+function Permissions_Groups._prototype:get_players(online)
+    local players = {}
+    local group = self:get_raw()
+    if group then
+        if online == nil then
+            return group.players
+        else
+            for _,player in pairs(group.players) do
+                if player.connected == online then
+                    table.insert(player,player)
+                end
+            end
+        end
+    end
+    return players
+end
+
+function Permissions_Groups._prototype:print(message)
+    local players = self:get_players(true)
+    for _,player in pairs(players) do
+        player.print(message)
+    end
+    return #players
+end
+
+Event.on_init(function()
+    Permissions_Groups.reload_permissions()
+end)
+
+return Permissions_Groups
\ No newline at end of file