🔬 Total Science to Unlock

How much research it takes to field each unit, cheapest first, so reading down gives the order units become available on the shortest research path. See also Unit Counters.

Total science	beyond 4 laws	beyond 7 laws	Units unlocked (number = strength)
0 no tech required	0	0	none under current filters Militia 3 Steppe Rider 3
100 Ironworking	0	0	none under current filters Warrior 4
100 Trapping	100	100	none under current filters Slinger 4
510 Phalanx	250	0	none under current filters Spearman 5
510 Spoked Wheel	410	410	none under current filters Chariot 5
610 Steel	510	510	none under current filters Axeman 5
660 Composite Bow	660	660	none under current filters Archer 5
910 Land Consolidation	910	910	none under current filters Camel Archer 5 War Elephant 6
1,030 any 4 laws Uniques at Developing culture, cheapest 4 law techs	0	0	none under current filters African Elephant 6 Akkadian Archer 6 Assault Elephant 6 Battering Ram 6 D'mt Warrior 6 Hastatus 6 Heavy Chariot 6 Hoplite 6 Javelin Elephant 6 Kushan Cavalry 6 Light Chariot 6 Medjay Archer 6 Palton Cavalry 6
1,170 Machinery	400	400	none under current filters Onager 6
1,610 Stirrups	1,510	1,510	none under current filters Horse Archer 6 Horseman 6
1,720 Battleline	1,460	1,210	none under current filters Maceman 6
1,870 Hydraulics	1,100	1,100	none under current filters Ballista 5
2,270 Manor	2,270	2,270	none under current filters Conscript 5
2,330 any 7 laws Uniques at Strong culture, cheapest 7 law techs	1,300	0	none under current filters Armored Elephant 8 Beja Archer 8 Cataphract Archer 8 Cimmerian Archer 8 Elephant Archer 8 Kushan Warlord 8 Legionary 8 Mounted Lancer 8 Phalangite 8 Shotelai 8 Siege Tower 8 Three Man Chariot 8 Turreted Elephant 8
3,320 Infantry Square	3,060	2,810	none under current filters Pikeman 8
3,370 Bodkin Arrow	3,370	3,370	none under current filters Longbowman 8
3,880 Windlass	2,850	2,600	none under current filters Crossbowman 6
4,930 Ballistics	3,900	3,650	none under current filters Mangonel 8
5,330 Cohorts	5,070	4,820	none under current filters Swordsman 8
5,480 Chain Drive	4,450	4,200	none under current filters Polybolos 8
6,330 Barding	6,070	5,420	none under current filters Cataphract 10

How the law tiers are priced

The cheapest research path to unlock that many law classes, found by checking every combination. Which law you adopt in each class does not matter, since each class gives one law.