Ancient

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...

In Kemet, players each deploy the troops of an Egyptian tribe and use the mystical powers of the gods of ancient Egypt – along with their powerful armies – to score points in glorious battles or through invasion of rich territories. A game is typically played to 8 or 10 victory points, which may be accrued through winning attacks, controlling temples, controlling fully-developed pyramids, sacrificing to the gods, and wielding particular magical powers.

The conquest for the land of Kemet takes place over two phases: Day and Night. During the day, choose an action amongst the nine possible choices provided by your player mat and perform it immediately. Once every player has taken five actions, night falls, with players gathering Prayer Points from their temples, drawing Divine Intervention cards, and determining the turn order before the start of the new day.

As the game progresses, they can use Prayer Points to acquire power tiles. Some of these enroll magical creatures and have them join their troops. In addition to intimidating enemies, these creatures provide special powers!

Detailed miniature components represent the combat units and the supernatural creatures that are summoned to enhance them. Combat is resolved through cards chosen from a diminishing six-card hand and enhanced by bonuses.

This game uses the very popular card system which first appeared in Avalon Hill's We the People game to detail the struggle between Carthage's Hannibal and the Roman Republic in approximately 200 BC.

(from Valley Games website:)

One of the greatest military commanders and tacticians in history descends on the Roman Empire once again. Do you face him as Rome and try to ward the invasion that comes from the North, or do you climb atop your war elephant and show Rome you will take that which they hold most dear: their territory.

Players use strategic-level cards for multiple purposes: moving generals, levying new troops, reinforcing existing armies, gaining political control of the provinces involved in the war, and generating historical events. When two armies meet on the battlefield, a second set of cards, called Battle Cards, are used to determine the winner. Ultimately both players seek victory by dominating both fronts: military and political.

Grand Conquest is very similar to earlier versions of Donald Benge's Conquest. However it adds some interesting features. Now there are camels, catapults, siege engines and a moat around the five home points. The tube package comes with a vinyl roll out map, pieces in more distinguishable colors than previous versions, and a separate puzzle book (The Conquest games have had collections of puzzles developed similar to chess puzzles that are quite entertaining and engaging for abstract strategy players).

Re-implements:

Conquest

The year is 79 A.D. Pompeii, sitting at the foot of Vesuvius, is at the high point in its development. People come to the city from far and wide to try to make their luck in the city. So far nobody has dreamed of the danger that will bury all of their dreams under mountains of ash just ten years later. Who will survive the eruption of Vesuvius unscathed?

The simple rules make it easy to get started with The Downfall of Pompeii, a game in which a lot of tactical know-how is required – along with a little luck – in order to bring your pieces out of the city at the right time.

The game falls into two halves: before and after the eruption of Vesuvius. Before the eruption, players play cards to place their pieces in buildings. After the first eruption, they can also place as many relatives as the number of pieces already in the building they placed their piece in. When Omen cards are drawn, the player can take any opponent's piece and throw it into the erupting volcano. In this manner, players try to get as many pieces onto the board as close to the exits from the city as possible.

After the second eruption, the game changes. Now each player places a lava tile, which kills any pieces on that square and may block exits from the city. Then they move two pieces toward the exits, moving them a number of squares equal to the pieces on the square from which they started. The player who gets the most pieces out of the city wins.

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The 2013 second edition of The Downfall of Pompeii includes three dual vent tiles and a new "Dual Vent" variant.