Bukkit

Copy the messages.yml over your old one to have your game in Slovak.

global:
  barHeader: Cas
  prefix: '&2&l[&e&lBuild&f&lBattle&2&l]&r '
  permissionNode: '&cNa danu akciu nemas prava!'
  scoreboardHeader: '&eBody:'
setMainSpawn:
  succes: '&aBuildinggame main spawn bol nadstaveny!'
createArena:
  succes: '&aArena %arena% vytvorena!'
setSpawn:
  succes: '&aSpawn %place% nadstaveny!'
setLobby:
  succes: '&aLobby nadstavene'
setMinPlayers:
  succes: '&aMinimalny pocet hracov nadstaveny'
setBounds:
  succes: '&aBody areny %place% v arene %arena% nadstavene!'
leave:
  message: '&6Odpojil si sa z areny!'
  otherPlayers: '&6%player% opustil arenu'
vote:
  message: '&6Dal si stavbe hraca %playerplot% %points% bodov.'
join:
  message: '&6Pripojil si sa do areny!'
  otherPlayers: '&6%player% sa pripoj do areny!'
lobbyCountdown:
  message: '&6Hra zacina za %seconds% sekund!'
gameStarts:
  message: '&6Hra zacala!'
  subject: '&6&lPostav: %subject%'
buildingCountdown:
  message: '&6You have %seconds% seconds left!'
voting:
  message: '&aStavba hraca: &6%playerplot%!'
  coal-block: '&4Velmi zle'
  iron-block: '&cZle'
  lapis-block: '&aOK'
  redstone-block: '&2Dobre'
  gold-block: '&eVelmi dobre'
  diamond-block: '&dEpicke'
  emerald-block: '&5Excelentne'
winner:
  first: '&a&l1. miesto %points%!'
  second: '&e&l2. miesto %points%!'
   third: '&c&l3. miesto %points%!'
vault:
  message: '&aDostal si %money% money!'