Civilization

The first expansion for Twilight Imperium (Third Edition) features four new races that are unseen in previous editions, more balanced Strategy cards, more belligerent Objective cards, several new surprises for neutral planets, two more sets of plastic units, rules (with more than a dozen new optional variants), and enough additional systems for a fourth ring around Mecatol Rex. Now its 3-8 players. If you played TI3 and had some ideas for potential improvements, they are probably incorporated in Shattered Empire.

In Atlantis Rising you are one of the citizens of the stricken island Atlantis. However, hope is not lost, a mystical portal of 10 components can be built and save the island and all its inhabitants, but fail to build it in time and the island will sink forever under the waves, lost to legend.

Atlantis Rising is a fully co-operative game in which the players must race to create a cosmic gate before all of the island tiles have been destroyed. The gate's components are variable and determine the difficulty level of the game - Easy, Normal, Hard, or Cosmic. The players must also contend with the continually escalating threat of their Athenian enemies, who may destroy one or more island tiles each turn if insufficient Atlanteans are allocated to the island's protection.

Each turn players can choose to place their Atlanteans in any of eight different areas - with placements closer to the sea being more rewarding, but subject to a higher risk of flooding (and the subsequent loss of the associated action).

After placement of meeple but before gaining resources 'misfortune' cards are drawn per player indicating which areas of the island sink, any meeple stood there have a long swim back to shore and do nothing for their turn.

Players have limited 'mystical energy' which they can use to predict or prevent certain misfortunes and cards are available from the libraries that offer powerful one time use effects.

From the back of the box:

Will you send your Atlanteans to mine the untapped veins of precious resources at the very tip of the island, hoping to reap great rewards before the oncoming waves smash into the shores? Or will you remain in the relative safety of the island’s center, where resources have grown scarce? Perhaps you will tap into the power of the mystic energy source - the lifeforce of Atlantis and key to its advanced technology. You may even seek refuge in the vast libraries of the Lost City, hoping to find some tome which will lead to salvation for the doomed isle. Beware though - even as the island sinks into the sea, the Athenians continue to assault Atlantis, hoping to plunder its riches before it disappears beneath the waves.

Tzolkin: The Mayan Calendar presents a new game mechanism: dynamic worker placement. Players representing different Mayan tribes place their workers on giant connected gears, and as the gears rotate they take the workers to different action spots.

During a turn, players can either (a) place one or more workers on the lowest visible spot of the gears or (b) pick up one or more workers. When placing workers, they must pay corn, which is used as a currency in the game. When they pick up a worker, they perform certain actions depending on the position of the worker. Actions located "later" on the gears are more valuable, so it's wise to let the time work for you – but players cannot skip their turn; if they have all their workers on the gears, they have to pick some up. 

The game ends after one full revolution of the central Tzolkin gear. There are many paths to victory. Pleasing the gods by placing crystal skulls in deep caves or building many temples are just two of those many paths...

Now five to six players can sail into the uncharted and explore and settle the mysterious islands near Catan! The 5-6 Player Expansion for The Seafarers of Catan allows you to add 1-2 more opponents without sacrificing ease of play. Try one of ten new exciting scenarios! Designed for 5-6 players, it adds even more drama to the award-winning game of seafaring, exploration, and trade.

Belongs to the Catan Series.
This game requires The Settlers of Catan, The Settlers of Catan 5/6 player extension,and the Seafarers 3-4 expansion (http://boardgamegeek.com/boardgameexpansion/325/catan-seafarers) to play. Ideally, using the same publisher and edition of the game.

Now five to six players jump in on the new adventures taking place on the island of Catan. The expansion includes new scenarios and opens up roads to even greater wealth or bitter poverty for up to six players.

Belongs to the Catan series.