The Arc

Built for scientific purposes, the gigantic Arc biosphere project offers a set of different ecosystems in a closed, self-regulated facility. Scientists from all around the world gather to contribute unique insights into our planet.
Properties
Type:	Great Building
Age:	The Future
Street:
Size:	7x5
Construction Requirement:	350 x Biogeochemical Data 450 x Purified Water 300 x Algae 400 x Superconductors 375 x Nanoparticles
Boosts
Guild Goods	Produces some of each current good for the guild's treasury. Can only be collected when in a guild.
Contribution Boost	Contribution Rewards are increased by a percentage.

Level	Requires
1	70	96,425	9	10%
2	110	98,075	10	12%
3	200	101,075	12	14%
4	290	105,425	13	17%
5	400	111,425	15	19%
6	510	119,075	16	22%
7	620	128,375	18	24%
8	740	139,475	19	26%
9	860	152,375	21	29%
10	970	166,925	22	31%
Level	Requires
11	995	181,850	24	32%
12	1,020	197,150	26	33%
13	1,045	212,825	28	34%
14	1,071	228,890	30	35%
15	1,098	245,360	32	36%
16	1,125	262,235	34	37%
17	1,154	279,545	36	38%
18	1,182	297,275	38	39%
19	1,212	315,455	40	40%
20	1,242	334,085	42	41%
Level	Requires
21	1,273	353,180	44	42%
22	1,305	372,755	46	43%
23	1,338	392,825	48	44%
24	1,371	413,390	50	45%
25	1,405	434,465	52	46%
26	1,440	456,065	54	47%
27	1,476	478,205	56	48%
28	1,513	500,900	58	49%
29	1,551	524,165	60	50%
30	1,590	548,015	62	51%
Level	Requires
31	1,630	572,465	64	52%
32	1,670	597,515	66	53%
33	1,712	623,195	68	54%
34	1,755	649,520	70	55%
35	1,799	676,505	72	56%
36	1,844	704,165	74	57%
37	1,890	732,515	76	58%
38	1,937	761,570	78	59%
39	1,986	791,360	80	60%
40	2,035	821,885	82	61%
Level	Requires
41	2,086	853,175	84	62%
42	2,138	885,245	86	63%
43	2,192	918,125	88	64%
44	2,246	951,815	90	65%
45	2,303	986,360	92	66%
46	2,360	1,021,760	94	67%
47	2,419	1,058,045	96	68%
48	2,480	1,095,245	98	69%
49	2,541	1,133,360	100	70%
50	2,605	1,172,435	102	71%
Level	Requires
51	2,670	1,212,485	104	72%
52	2,737	1,253,540	106	73%
53	2,805	1,295,615	108	74%
54	2,875	1,338,740	110	75%
55	2,947	1,382,945	112	76%
56	3,021	1,428,260	114	77%
57	3,096	1,474,700	116	78%
58	3,174	1,522,310	118	79%
59	3,253	1,571,105	120	79.5%
60	3,334	1,621,115	122	80%
Level	Requires
61	3,418	1,672,385	124	80.5%
62	3,503	1,724,930	126	81%
63	3,591	1,778,795	128	81.5%
64	3,681	1,834,010	130	82%
65	3,773	1,890,605	132	82.5%
66	3,867	1,948,610	134	83%
67	3,964	2,008,070	136	83.5%
68	4,063	2,069,015	138	84%
69	4,164	2,131,475	140	84.5%
70	4,268	2,195,495	142	85%
Level	Requires
71	4,375	2,261,120	144	85.5%
72	4,484	2,328,380	146	86%
73	4,596	2,397,320	148	86.5%
74	4,711	2,467,985	150	87%
75	4,829	2,540,420	152	87.5%
76	4,950	2,614,670	154	88%
77	5,074	2,690,780	156	88.5%
78	5,200	2,768,780	158	89%
79	5,330	2,848,730	160	89.5%
80	5,464	2,930,690	162	90%

The Arc 7x5 The Future 13 3d5f1b 80ff00 cce5ac https://foeen.innogamescdn.com/assets/city/buildings/X_SS_FutureEra_Landmark1.png https://foeen.innogamescdn.com/assets/shared/icons/icon_great_building_bonus_guild_goods.png Guild Goods https://foeen.innogamescdn.com/assets/shared/icons/icon_great_building_bonus_contribution_boost.png Contribution Boost