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For centuries The Lighthouse of Alexandria was the tallest man-made structure on Earth. Its guiding light would safely steer travelers from around the world into the port of Alexandria.


The Lighthouse of Alexandria is a Great Building of the Iron Age, it produces goods and gives a supply boost for collections from other buildings. It increases the first forty collections of supplies immediately after The Lighthouse has had its production collected. It produces a number of goods of players age which can be collected every 24 hours. From the Modern Era onward it produces double amount of unrefined goods. Supplies collected from Great Buildings are not affected by the supply boost.

The Supply Boost Supply boost bonus rises indefinitely by 5% every level past level 10, while the Goods Goods production is increased by 1 every level past level 8.

Levels[]

Level
GRBU
Req.
Forge
Supply Boost
Supply Boost
Goods
Goods[1]
1 40 60% 8
2 60 65% 9
3 120 75% 10
4 170 85% 12
5 220 95% 13
6 290 105% 14
7 360 115% 15
8 420 125% 17
9 490 135% 18
10 550 145% 19
11 564 150% 20
12 578 155% 21
13 593 160% 22
14 608 165% 23
15 623 170% 24
16 638 175% 25
17 654 180% 26
18 671 185% 27
19 687 190% 28
20 705 195% 29
21 722 200% 30
22 740 205% 31
23 759 210% 32
24 778 215% 33
25 797 220% 34
26 817 225% 35
27 837 230% 36
28 858 235% 37
29 880 240% 38
30 902 245% 39
31 924 250% 40
32 947 255% 41
33 971 260% 42
34 995 265% 43
35 1,020 270% 44
36 1,046 275% 45
37 1,072 280% 46
38 1,099 285% 47
39 1,126 290% 48
40 1,154 295% 49
41 1,183 300% 50
42 1,213 305% 51
43 1,243 310% 52
44 1,274 315% 53
45 1,306 320% 54
46 1,338 325% 55
47 1,372 330% 56
48 1,406 335% 57
49 1,441 340% 58
50 1,477 345% 59
51 1,514 350% 60
52 1,552 355% 61
53 1,591 360% 62
54 1,631 365% 63
55 1,671 370% 64
56 1,713 375% 65
57 1,756 380% 66
58 1,800 385% 67
59 1,845 390% 68
60 1,891 395% 69
61 1,938 400% 70
62 1,987 405% 71
63 2,036 410% 72
64 2,087 415% 73
65 2,139 420% 74
66 2,193 425% 75
67 2,248 430% 76
68 2,304 435% 77
69 2,361 440% 78
70 2,420 445% 79
71 2,481 450% 80
72 2,543 455% 81
73 2,606 460% 82
74 2,672 465% 83
75 2,738 470% 84
76 2,807 475% 85
77 2,877 480% 86
78 2,949 485% 87
79 3,023 490% 88
80 3,098 495% 89
81 3,176 500% 90
82 3,255 505% 91
83 3,336 510% 92
84 3,420 515% 93
85 3,505 520% 94
86 3,593 525% 95
87 3,683 530% 96
88 3,775 535% 97
89 3,869 540% 98
90 3,966 545% 99
91 4,065 550% 100
92 4,167 555% 101
93 4,271 560% 102
94 4,377 565% 103
95 4,487 570% 104
96 4,599 575% 105
97 4,714 580% 106
98 4,832 585% 107
99 4,953 590% 108
100 5,076 595% 109
  1. Goods are from the current era until the Progressive Era. From Modern Era onwards, twice the amount of goods is produced, but they are from 3 eras back ("unrefined" goods).

Contribution Rewards[]

Level 1 - 10[]

1st Position 2nd Position 3rd Position 4th Position 5th Position
Forge +5
Medals +4
Forge +5
Medals +2
Medals +1 - -

1st Position 2nd Position 3rd Position 4th Position 5th Position
Forge +10
Medals +7
Blueprints +1
Forge +5
Medals +4
Medals +2 Medals +1 -

1st Position 2nd Position 3rd Position 4th Position 5th Position
Forge +15
Medals +13
Blueprints +1
Forge +10
Medals +7
Blueprints +1
Forge +5
Medals +3
Blueprints +1
Medals +1 Medals +1

1st Position 2nd Position 3rd Position 4th Position 5th Position
Forge +20
Medals +19
Blueprints +1
Forge +10
Medals +10
Blueprints +1
Forge +5
Medals +5
Blueprints +1
Medals +2
Blueprints +1
Medals +1
Blueprints +1

1st Position 2nd Position 3rd Position 4th Position 5th Position
Forge +25
Medals +24
Blueprints +2
Forge +15
Medals +12
Blueprints +1
Forge +5
Medals +6
Blueprints +1
Medals +2
Blueprints +1
Medals +1
Blueprints +1

1st Position 2nd Position 3rd Position 4th Position 5th Position
Forge +30
Medals +32
Blueprints +2
Forge +15
Medals +16
Blueprints +1
Forge +5
Medals +8
Blueprints +1
Medals +3
Blueprints +1
Medals +2
Blueprints +1

1st Position 2nd Position 3rd Position 4th Position 5th Position
Forge +40
Medals +40
Blueprints +2
Forge +20
Medals +20
Blueprints +2
Forge +5
Medals +10
Blueprints +1
Medals +4
Blueprints +1
Medals +2
Blueprints +1

1st Position 2nd Position 3rd Position 4th Position 5th Position
Forge +45
Medals +47
Blueprints +3
Forge +25
Medals +24
Blueprints +2
Forge +10
Medals +12
Blueprints +1
Forge +5
Medals +5
Blueprints +1
Medals +2
Blueprints +1

1st Position 2nd Position 3rd Position 4th Position 5th Position
Forge +50
Medals +54
Blueprints +3
Forge +25
Medals +27
Blueprints +2
Forge +10
Medals +14
Blueprints +2
Forge +5
Medals +5
Blueprints +1
Medals +3
Blueprints +1

1st Position 2nd Position 3rd Position 4th Position 5th Position
Forge +60
Medals +62
Blueprints +3
Forge +30
Medals +31
Blueprints +2
Forge +10
Medals +16
Blueprints +2
Forge +5
Medals +6
Blueprints +2
Medals +3
Blueprints +1

Level 11 - 20[]

1st Position 2nd Position 3rd Position 4th Position 5th Position
Forge +65
Medals +70
Blueprints +3
Forge +35
Medals +35
Blueprints +2
Forge +10
Medals +18
Blueprints +2
Forge +5
Medals +7
Blueprints +2
Medals +4
Blueprints +1

1st Position 2nd Position 3rd Position 4th Position 5th Position
Forge +70
Medals +78
Blueprints +4
Forge +35
Medals +39
Blueprints +3
Forge +10
Medals +20
Blueprints +2
Forge +5
Medals +8
Blueprints +2
Medals +4
Blueprints +1

1st Position 2nd Position 3rd Position 4th Position 5th Position
Forge +80
Medals +87
Blueprints +4
Forge +40
Medals +44
Blueprints +3
Forge +15
Medals +22
Blueprints +2
Forge +5
Medals +9
Blueprints +2
Medals +4
Blueprints +1

1st Position 2nd Position 3rd Position 4th Position 5th Position
Forge +85
Medals +94
Blueprints +4
Forge +45
Medals +47
Blueprints +3
Forge +15
Medals +24
Blueprints +2
Forge +5
Medals +9
Blueprints +2
Medals +5
Blueprints +2

1st Position 2nd Position 3rd Position 4th Position 5th Position
Forge +95
Medals +103
Blueprints +4
Forge +50
Medals +52
Blueprints +3
Forge +15
Medals +26
Blueprints +2
Forge +5
Medals +10
Blueprints +2
Medals +5
Blueprints +2

1st Position 2nd Position 3rd Position 4th Position 5th Position
Forge +105
Medals +112
Blueprints +5
Forge +55
Medals +56
Blueprints +3
Forge +20
Medals +28
Blueprints +3
Forge +5
Medals +11
Blueprints +2
Medals +6
Blueprints +2

1st Position 2nd Position 3rd Position 4th Position 5th Position
Forge +110
Medals +120
Blueprints +5
Forge +55
Medals +60
Blueprints +3
Forge +20
Medals +30
Blueprints +3
Forge +5
Medals +12
Blueprints +2
Medals +6
Blueprints +2

1st Position 2nd Position 3rd Position 4th Position 5th Position
Forge +120
Medals +130
Blueprints +5
Forge +60
Medals +65
Blueprints +4
Forge +20
Medals +33
Blueprints +3
Forge +5
Medals +13
Blueprints +2
Medals +7
Blueprints +2

1st Position 2nd Position 3rd Position 4th Position 5th Position
Forge +125
Medals +138
Blueprints +5
Forge +65
Medals +69
Blueprints +4
Forge +20
Medals +35
Blueprints +3
Forge +5
Medals +14
Blueprints +2
Medals +7
Blueprints +2

1st Position 2nd Position 3rd Position 4th Position 5th Position
Forge +135
Medals +148
Blueprints +5
Forge +70
Medals +74
Blueprints +4
Forge +25
Medals +37
Blueprints +3
Forge +5
Medals +15
Blueprints +2
Medals +7
Blueprints +2

Arc profitability[]

This table shows which levels of this Great Building are profitable for a higher level Arc:

Arc percentage Profitable levels
1st place
Profitable levels
2nd place
+ 80% 47 - 47 47 - 47
+ 85% 41 - 57 NA
+ 90% 37 - 64 NA
+ 95% 35 - 67 33 - 67
+ 100% 32 - 70 32 - 70

Other Great Buildings[]

Great Buildings
No Age ObservatoryOracle of DelphiTemple of Relics
Bronze Age Statue of ZeusTower of Babel
Iron Age ColosseumLighthouse of Alexandria
Early Middle Ages Cathedral of AachenHagia SophiaGalata Tower
High Middle Ages Notre DameSt. Mark's Basilica
Late Middle Ages Castel del MonteSaint Basil's Cathedral
Colonial Age Deal CastleFrauenkirche of Dresden
Industrial Age CapitolRoyal Albert Hall
Progressive Era AlcatrazChâteau Frontenac
Modern Era AtomiumSpace Needle
Postmodern Era Cape CanaveralThe Habitat
Contemporary Era Innovation TowerLotus Temple
Tomorrow Era Truce TowerVoyager V1
Future Era Rain Forest ProjectThe Arc
Arctic Future Arctic OrangeryGaea StatueSeed Vault
Oceanic Future Atlantis MuseumThe Blue GalaxyThe Kraken
Virtual Future Terracotta ArmyHimeji Castle
Space Age Mars The Virgo ProjectStar Gazer
Space Age Asteroid Belt Space Carrier
Space Age Venus Flying Island
Space Age Jupiter Moon A.I. Core
Space Age Titan Saturn VI Gate PEGASUSSaturn VI Gate CENTAURUSSaturn VI Gate HYDRA
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