Arena

s = peripheral.wrap("back")--Chat Box from MiscPeripherals
tPrint = {"5", "4", "3", "2", "1", "GO!"}
local tArgs = { ... }
players = {}
pKills = {}
killstoWin = 10
m = " "
r = 100
if tArgs[1] == nil then
    print("Amount of players not specified.")
    return "Unable to start."
end

function st(str)

end

while #players < tonumber(tArgs[1]) do
    s.say("Type l1q in chat to register.", r)
    event = {os.pullEvent("chat")}
    if event[3] == "l1q" then
        table.insert(players, event[2])
        table.insert(pKills, 0)
    end
end
for e=1, #players do
    m = m.." "..players[e]
end
s.say("All players registered:"..m, r)
sleep(0.1)
s.say("Rules: 2 points for a kill, -1 for a death.", r)
sleep(0.1)
while true do
    for t, b in pairs(tPrint) do
        sleep(1)
        s.say(b, r)
    end
    event = {os.pullEvent("chat_death")}
    for i,v in pairs(players) do
        if v == event[2] then
            pKills[i] = pkills[i] - 1
            break
        end
    end
    for g,w in pairs(players) do
        if w == event[3] then
            pKills[g] = pkills[g] + 2
            break
        end
    end
    for t=1, #players do
        s.say("Points for "..players[t]..": "..pKills[t])
    end
end