New Units:
Slinger - Pre-Archer Ancient Ranged
Cataphract - Classical Era Heavy Cavalry with Spear
Skirmisher - Classical Era Light Infantry with Shield and Spear
Centurion - Classical Era Heavy Infantry with Shield and Spear
Onager - Ancient Era Siege Weapon
*Still working on it
New Buildings:
Silo - -5% Food required for Growth
Baker - +1 Food Production (Requires Windmill or Watermill)
Bathhouse - +1 Happiness
Fishery - +1 Food Production (Must be bordering water)
Arena - +5 experience for Land Units
Stadium - +2 Happiness (Replaces current Colosseum)
Council - +1 Happiness, +Culture
Forum - (Upgrade for Council?)
Forge - Increases production in the city
Blacksmith - Increases the production of Land Units in the city (Requires Forge)
Sports Complex - (Upgrade for Arena/Stadium, Modern, loses land exp bonus)
Aquaduct -
Supreme Court (National Wonder) - Requires a Courthouse in x/all cities - No unhappiness from unoccupied cities, +2 Happiness
Grand Basilica (World Wonder) - Requires a Council/Forum in every city - Lowers unhappiness from number of cities
Colosseum (World Wonder) - Requires an Arena in x/all Cities - All Land Units hired begin with +15 more experience
Ark Project (World Wonder) - +from all Animal/Plant related Luxury Resources (Modern)
Olympic Stadium (World Wonder) - Requires a Stadium in x/all cities -
*Still working on it
Changes to Buildings:
Barracks - +10 experience for Land Units
Courthouse - +2 Happiness
Granary - -10% Food required for Growth (Replaces Silo)
Windmill - +1 Food Production (Requires Farm Improvement)
Watermill - +2 Food Production (Requires River and Farm Improvement)
Colloseum - Turned into Arena
Notes:
-Implement a Bronze Strategic Resource required for certain units
-Might have to enhance Unhappiness amounts in general to counteract the new +Happiness structures.
-Goes without saying, stats are not meant to be exact