Runescape is a MMORPG, or Massively Multiplayer Online Role Playing Game (mouthfull, isn't it?), made be JAGEX, and it runs in
Java. This game is
fun, if you know how to
play it. If you spend days trying to chop to 99, you'll be bored. There's over 20 skills to train, although most are for P2P only. There's also over 400 quests, with 150 for free to plays, the rest are long, but for P2P. The game is highly addictive, but if you pace yourself, you know when enough it enough. Set goals (they have a system for that) and leave notes. You can also give yourself parental controls, to not play too much. Make
sure you make yourself
13, or else you can't talk. There's noobs, there's some
bots, and there's some jerks.