Unit Upgrades[]
For ship details: see Ships and Ship upgrades

Once you hit the later game, you may want to upgrade your military to make it more cost-effective. Each unit can receive up to 3 damage upgrades, and 3 armour upgrades.
The upgrades are noted with a bronze, silver or gold sword/shield icon, although the upgrade names are generally noted as something else.
- Bronze upgrades give units +1 damage or armour.
- Silver upgrades give them an additional +1 (total +2) damage or armour.
- Gold upgrades give them another +1 (total +3) damage or armour.
Spearman upgrades[]
![]() Spearman |
Offense | Effect | |
|
|
Workshop |
|---|---|---|---|---|---|---|
| Damage +1 | 1,500 | 1,000 | 1h | 1 | ||
| Damage +2 | 4,500 | 3,000 | 2h | 2 | ||
| Damage +3 | 12,000 | 8,000 | 3h | 3 | ||
| Defense | Effect | |
|
|
Workshop | |
| Armour +1 | 750 | 500 | 1h | 1 | ||
| Armour +2 | 1,500 | 1,000 | 2h | 2 | ||
| Armour +3 | 6,000 | 4,000 | 3h | 3 |
Slinger upgrades[]
![]() Slinger |
Offense | Effect | |
|
|
Workshop |
|---|---|---|---|---|---|---|
| Damage +1 | 750 | 500 | 1h | 1 | ||
| Damage +2 | 1,500 | 1,000 | 2h | 2 | ||
| Damage +3 | 3,000 | 2,000 | 3h | 3 | ||
| Defense | Effect | |
|
|
Workshop | |
| Armour +1 | 750 | 500 | 1h | 1 | ||
| Armour +2 | 1,500 | 1,000 | 2h | 2 | ||
| Armour +3 | 3,000 | 2,000 | 3h | 3 |
Swordsman upgrades[]
![]() Swordsman |
Offense | Effect | |
|
|
Workshop |
|---|---|---|---|---|---|---|
| Damage +1 | 1,500 | 1,000 | 1h | 2 | ||
| Damage +2 | 4,500 | 3,000 | 2h | 3 | ||
| Damage +3 | 12,000 | 8,000 | 3h | 4 | ||
| Defense | Effect | |
|
|
Workshop | |
| Armour +1 | 750 | 500 | 1h | 2 | ||
| Armour +2 | 1,500 | 1,000 | 2h | 3 | ||
| Armour +3 | 6,000 | 4,000 | 3h | 4 |
Hoplite upgrades[]
![]() Hoplite |
Offense | Effect | |
|
|
Workshop |
|---|---|---|---|---|---|---|
| Damage +1 | 1,500 | 1,000 | 1h | 4 | ||
| Damage +2 | 3,000 | 2,000 | 2h | 5 | ||
| Damage +3 | 6,000 | 4,000 | 3h | 6 | ||
| Damage +4 | 13,672 | 9,222 | 4h | 7 | ||
| Defense | Effect | |
|
|
Workshop | |
| Armour +1 | 3,000 | 2,000 | 1h | 4 | ||
| Armour +2 | 7,500 | 5,000 | 2h | 5 | ||
| Armour +3 | 18,000 | 12,000 | 3h | 6 | ||
| Armour +4 | 44,671 | 27,503 | 4h | 7 |
Archer upgrades[]
![]() Archer |
Offense | Effect | |
|
|
Workshop |
|---|---|---|---|---|---|---|
| Damage +1 | 2,250 | 1,500 | 1h | 7 | ||
| Damage +2 | 7,500 | 5,000 | 2h | 8 | ||
| Damage +3 | 21,000 | 14,000 | 3h | 9 | ||
| Damage +4 | 57,226 | 39,460 | 4h | 10 | ||
| Defense | Effect | |
|
|
Workshop | |
| Armour +1 | 750 | 500 | 1h | 7 | ||
| Armour +2 | 1,500 | 1,000 | 2h | 8 | ||
| Armour +3 | 3,000 | 2,000 | 3h | 9 | ||
| Armour +4 | 8,505 | 5,412 | 4h | 10 |
Ram upgrades[]
![]() Ram |
Offense | Effect | |
|
|
Workshop |
|---|---|---|---|---|---|---|
| Damage +1 | 1,500 | 1,000 | 1h | 8 | ||
| Damage +2 | 3,000 | 2,000 | 2h | 9 | ||
| Damage +3 | 6,000 | 4,000 | 3h | 10 | ||
| Defense | Effect | |
|
|
Workshop | |
| Armour +1 | 6,000 | 4,000 | 1h | 8 | ||
| Armour +2 | 15,000 | 10,000 | 2h | 9 | ||
| Armour +3 | 36,000 | 24,000 | 3h | 10 |
Catapult upgrades[]
![]() Catapult |
Offense | Effect | |
|
|
Workshop |
|---|---|---|---|---|---|---|
| Damage +1 | 6,000 | 4,000 | 1h | 10 | ||
| Damage +2 | 15,000 | 10,000 | 2h | 11 | ||
| Damage +3 | 36,000 | 24,000 | 3h | 12 | ||
| Defense | Effect | |
|
|
Workshop | |
| Armour +1 | 3,000 | 2,000 | 1h | 10 | ||
| Armour +2 | 9,000 | 6,000 | 2h | 11 | ||
| Armour +3 | 24,000 | 16,000 | 3h | 12 |
Sulphur Carabineer upgrades[]
![]() Sulphur Carabineer |
Offense | Effect | |
|
|
Workshop |
|---|---|---|---|---|---|---|
| Damage +1 | 3,600 | 2,500 | 1h | 10 | ||
| Damage +2 | 12,000 | 8,000 | 2h | 11 | ||
| Damage +3 | 33,000 | 22,000 | 3h | 12 | ||
| Defense | Effect | |
|
|
Workshop | |
| Armour +1 | 1,500 | 1,000 | 1h | 10 | ||
| Armour +2 | 3,000 | 2,000 | 2h | 11 | ||
| Armour +3 | 6,000 | 4,000 | 3h | 12 |
Gyrocopter Upgrades[]
![]() Gyrocopter |
Offense | Effect | |
|
|
Workshop |
|---|---|---|---|---|---|---|
| Damage +1 | 3,000 | 2,000 | 1h | 14 | ||
| Damage +2 | 7,500 | 5,000 | 2h | 15 | ||
| Damage +3 | 18,000 | 12,000 | 3h | 16 | ||
| Defense | Effect | |
|
|
Workshop | |
| Armour +1 | 2,250 | 1,500 | 1h | 14 | ||
| Armour +2 | 7,500 | 5,000 | 2h | 15 | ||
| Armour +3 | 15,000 | 10,000 | 3h | 16 |
Steam Giant upgrades[]
![]() Steam Giant |
Offense | Effect | |
|
|
Workshop |
|---|---|---|---|---|---|---|
| Damage +1 | 6,000 | 4,000 | 1h | 16 | ||
| Damage +2 | 15,000 | 10,000 | 2h | 17 | ||
| Damage +3 | 36,000 | 24,000 | 3h | 18 | ||
| Damage +4 | 90,268 | 61,529 | 4h | 19 | ||
| Defense | Effect | |
|
|
Workshop | |
| Armour +1 | 6,000 | 4,000 | 1h | 16 | ||
| Armour +2 | 15,000 | 10,000 | 2h | 17 | ||
| Armour +3 | 36,000 | 24,000 | 3h | 18 | ||
| Armour +4 | 90,268 | 61,529 | 4h | 19 |
Mortar upgrades[]
![]() Mortar |
Offense | Effect | |
|
|
Workshop |
|---|---|---|---|---|---|---|
| Damage +1 | 11,250 | 7,500 | 1h | 18 | ||
| Damage +2 | 27,000 | 18,000 | 2h | 19 | ||
| Damage +3 | 63,000 | 42,000 | 3h | 20 | ||
| Defense | Effect | |
|
|
Workshop | |
| Armour +1 | 7,500 | 5,000 | 1h | 18 | ||
| Armour +2 | 18,000 | 12,000 | 2h | 19 | ||
| Armour +3 | 42,000 | 28,000 | 3h | 20 |
Balloon-Bombardier upgrades[]
![]() Balloon-Bombardier |
Offense | Effect | |
|
|
Workshop |
|---|---|---|---|---|---|---|
| Damage +1 | 16,500 | 11,000 | 1h | 21 | ||
| Damage +2 | 42,000 | 28,000 | 2h | 22 | ||
| Damage +3 | 102,000 | 68,000 | 3h | 23 | ||
| Defense | Effect | |
|
|
Workshop | |
| Armour +1 | 4,500 | 3,000 | 1h | 21 | ||
| Armour +2 | 12,000 | 8,000 | 2h | 22 | ||
| Armour +3 | 30,000 | 20,000 | 3h | 23 |











