function FarmAmount(activator, amount)
	amount = tonumber(amount)

	local TIME_OUT_DURATION = 0.5

	print("granting " .. amount .. " robots destroyed")

	activator.m_hActiveWeapon:SetAttributeValue("killstreak tier", 1)

	local damageInfo = {
		Attacker = activator,
		Inflictor = nil,
		Weapon = activator.m_hActiveWeapon,
		Damage = 125,
		DamageType = DMG_GENERIC,
		DamageCustom = TF_DMG_CUSTOM_NONE,
		DamagePosition = Vector(0, 0, 0),
		DamageForce = Vector(0, 0, 0),
		ReportedPosition = Vector(0, 0, 0),
	}

	local origin = activator:GetAbsOrigin() + Vector(1000, 0, 0)

	local timeOutCounter = 0
	local totalAmount = 0
	local function farmLoop()
		local bot = SpawnBot({
			Class = CLASSES.Scout,
			Skill = BOT_SKILL.EASY,
		}, nil, true)

		if bot then
			totalAmount = totalAmount + 1

			if totalAmount > amount then
				print("terminated at " .. totalAmount)
				return
			end

			bot.m_bIsMiniBoss = 1
			bot:SetAbsOrigin(origin)

			timeOutCounter = timeOutCounter + 1

			if timeOutCounter >= 11 then
				timeOutCounter = 0

				timer.Simple(0.015, function()
					bot:TakeDamage(damageInfo)
				end)
				timer.Simple(TIME_OUT_DURATION, function()
					farmLoop()
				end)
			else
				timer.Simple(0.015, function()
					bot:TakeDamage(damageInfo)
					farmLoop()
				end)
			end
		else
			farmLoop()
		end
	end

	farmLoop()
end

-- sm_ent_fire popscript $OpenFarmMenu
function OpenFarmMenu(_, activator)
	local menu = {
		timeout = 0,
		title = "Select Amount",
		itemsPerPage = 10,
		flags = MENUFLAG_BUTTON_EXIT,
		onSelect = function(_player, _index, amount)
			FarmAmount(activator, amount)
			OpenFarmMenu(nil, activator)
		end,
	}

	local amounts = {
		1,
		5,
		10,
		20,
		50,
		100,
		500,
		1000,
		6767,
		10000,
		20000,
		50000,
	}

	for i, v in ipairs(amounts) do
		menu[i] = v
	end

	activator:DisplayMenu(menu)
end