We are team of game developers who stand behind IridiumCoin IRI launch:
https://bitcointalk.org/index.php?topic=735152.msg8307166#msg8307166

We want to make in-game IRI exchange house, so players can buy IridiumCoin with
BitCoin, LiteCoin and other major altcoins, or exchange IRI earned in game for altcoins
and real money. Only 30 altcoins with most votes will be added to exchange house.
Poll will be open for 1000 days. Maximum 3 votes per user

If you not see your favorite altcoin as poll option, please wrote in comment and we will add it

More about IridiumCoin:

IridiumCoin is designed to be a valuable virtual currency for space based MMO game.
Game will be a mix of EVE online, Second Life and WoW. Gamers will use IRI to purchase
space ships, special weapons, different types of engines, armors, experience points, pilot licences
and many other types of upgrades. Also, IridiumCoin can be earned in game (very hard), or looted
in attacks, and exchanged for Bitcoin or money on exchange websites.
After battle, winner can recycle opponent fleet, and sell scrap for IridiumCoin. Game release in 2017.

Detail from game development team:

IRI transporter. This big ship is heavy armored, mobile treasury..
Purpose of ship is fast transport of IridiumCoins from one planet to another.
When ship arive to planet, coin-packs are distributed between local banks and exchanges

Commonly, IRI transporter have a strong guard fleet in front and behind the ship.
Mission of the guard fleet is to protect precious cargo from attackers.

If your clan have a powerful weapon, experience and sophisticated hacking-device,
you can try to attack convoy, and seize coins from IRI transporter.
Storage can contain maximum 1,000 IRI