Millennium AD A25/26 ver: (code name Y---, Z---).

(6 civs; Byzantines, Carolingians, Norse, Anglo-Saxons, Umayyads, Kiev Russians)

Civ: Byzantines:
Similar civ ingame: Romans.
Status: Empire.
Special techs: n/i
Special units: n/i
Special buildings: n/i
Gameplay: Strong defense, Good cavalry (check), Strong buildings, Slow development, expensive units.
Expected special units: n/i
Expected special buildings: Library, Royal palace (not an expansive civ, among the most advanced and literate civs in their age).
Expected techs: Architecture bonus, Strong Christianity bonus (a civ remembered by its contributions / defense of the Christian faith).
Balance advice: Make their cavalry more standard. Give them special formations.

Civ: Carolingians:
Similar civ ingame: probably Macedonians with royal features like Persians.
Status: Empire.
Special techs: n/i
Special units: Royal cavalry and infantry
Special buildings: Library (currently implemented in mod)
Gameplay: Weak defense, good cavalry (should be OP), weak buildings, slow development, expensive units.
Expected special units: n/i
Expected special buildings: Library (currently in mod), Imperial palace, military camp* (not military colony).
Expected techs: Christianity bonus. Royal bonus
Balance advice: Make cavalry more varied and skillful (chariots maybe? *check history). Give them special formations.

Civ: Norse:
Similar civ ingame: none (The most different from all civs in mod too)
Status: Tribal.
Special techs: Boats tech.
Special units: Many.
Special buildings: none. (missing Wonder)
Gameplay: terrible defense. OP infantry, weak buildings, quick develpoment, expensive infantry, lack of cavalry*.
Expected special units: probably just resource wagons and scout cavalry (they currently have many infantry units, and full heroes).
Expected special buildings: Grashaus ('grass house'; quickly heals units). Jarls
Hold (current civic center, take new building from sketch in forum as their new place for heroes, continue with the civic center / fortress thing name it Langhaus, or something similar in Old Norse). Probably an smaller dock with market and military colony features.
Expected techs: Merchant bonus. Loot / capture bonus.
Balance advice: Make their units more effective against cavalry (or cheaper). Cheaper buildings. Make boats less OP in naval maps. Make houses 5 pop bonus. Remove the CC restriction on the number of buildings.

Civ: Anglo-Saxons:
Similar civ ingame: Britons without chariots.
Status: Tribal-Empire*
Special techs: n/i
Special units: n/i
Special buildings: none.
Gameplay: good defense. good cavalry, weak buildings, average develpoment, no cheap no expensive units.
Expected special units: probably just resource wagons and royal cavalry.
Expected special buildings: Great / Royal hall (take barracks model and model a new barracks, works as a Syssiton). Maybe a windmill.
Expected techs: Resilience bonus. Food bonus. n/i
Balance advice: Nothing much, to be honest. This civ requires differentiation from current ones. Something is missing.

Civ: Umayyads (should they represent Rashiduns as well?):
Similiar civ ingame: Ptolemies.
Status: Empire
Special techs: n/i
Special units: n/i
Special buildings: none.
Gameplay: good defense and good attack. Good camels and Elephants. Strong buildings, average development.
Expected special units: n/i
Expected special buildings: Umayyad palace, Library.
Expected techs: Islam bonus. Archers bonus. Attack / expansion bonus.
Balance advice: Make their buildings more expensive. Limit the number of Elephants.

Civ: Kiev Russians:
Similar civ ingame: Britons / Gauls (good cavalry / food bonus).
Status: Tribal-Empire:
Special techs: n/d
Special units: n/d
Special buildings: n/d
Gameplay: n/d good attack and normal defense. Good cavalry. Weak buildings. Quick development.
Expected special units: n/i
Expected special buildings: Trading Post (military colony with market features). Windmill (food production bonus).
Expected techs: Byzantine links. Merchant and food bonus.
Balance advice: Cheap buildings. Better siege weapons. What else?

n/i: no idea
n/d: not developed