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Tingkat maksimum meningkat 75-85 kadang selama Juni 2012. Pada saat yang sama, Tier buildable 8 unit dibebaskan.

Hanya sebelum perubahan di atas, tingkat yang diperlukan untuk 7 unit Tier menurun. Saat ini sudah ada tumpang tindih antara tingkat yang diperlukan untuk Tier standar 6 dan Tier 7 unit.

Level	XP	To Level	Units Unlocked	Tier
1	0	0	Cadet Soldiers	1
2	7	7
3	20	13	Cannon Artillery
4	43	23	Vintage Tank
5	66	23	Ironclad Gunboat
6	93	27	Vintage Carrier
7	175	82	Vintage Battleship
8	257	82	Vintage Fighter
9	341	84	Zeppelin Airship
10	427	86	Vintage Bomber
11	516	89
12	610	94
13	711	101
14	818	107	Grunt Soldiers	2
15	934	116	Torpedo Gunboat
16	1,059	125	Mustang Fighter
17	1,196	137	Field Artillery
18	1,345	149	Light Carrier
19	1,508	163	Light Airship
20	1,686	178	Armored Tank
21	1,881	195	Light Battleship
22	2,094	213	Flying Fortress Bomber
23	2,326	232	Bazooka Soldiers	3
24	2,580	254	Howitzer Artillery
25	2,856	276
26	3,157	301	Sherman Tank
27	3,483	326	MiG 17 Fighter
28	3,838	355	Chinook Airship
29	4,221	383	B-52 Bomber
30	4,636	415	Submarine Gunboat
31	5,083	447	Assault Carrier
32	5,565	482	Assault Battleship
33	6,083	518	Rocket Soldiers	4
34	6,639	556	Harrier Fighter
35	7,201	562	Seawolf Gunboat
36	7,769	568	Heavy Artillery
37	8,341	572	Apache Airship
38	8,919	578	Heavy Carrier
39	9,502	583	Abrams Tank
40	10,092	590	Strike Battleship
41	10,687	595	Supersonic Bomber
42	11,288	601	Mechanized Soldiers	5
43	11,895	607	Rocket Artillery
44	12,508	613	Crusher Tank
45	13,128	620	Raptor Fighter
46	13,754	626	Comanche Airship
47	14,386	632	Stealth Bomber
48	15,025	639	Hunter-Killer Gunboat
49	15,671	646	Supercarrier
50	16,325	654	Railgun Battleship
51	16,986	661
52	17,658	672
53	18,337	679
54	19,023	686
55	19,717	694
56	20,456	739	Advanced Soldier	6
57	21,278	822	Advanced Gunboat
58	22,263	985	Advanced Drone Fighter
59	23,569	1,306	Advanced Rocket Artillery
60	25,202	1,633	Super Dimensional Carrier (6), Kodiak EXO Infantry (7)	6 & 7
61	27,166	1,964	Osprey Airship (6)
62	29,463	2,297	Talon Tank (6), Narwahl Submarine (7)
63	32,106	2,643	Advanced Battleship (6)
64	35,098	2,992	Hypersonic Bomber (6), Tiger Moth Fighter (7)
65	38,446	3,348
66	42,152	3,706	The Bison Halftrack Artillery	7
67	46,223	4,071	Albatross Carrier
68	50,663	4,440	Gemini Helicopter
69	55,477	4,814
70	60,671	5,194	The Griffin Tank
71	66,248	5,577	Man O' War Battleship
72	72,216	5,968	Sparrowhawk Bomber
73	78,578	6,362
74	85,513	6,935
75	93,204	7,691	Dragon Infantry	8
76	101,834	8,630	Mermaid Assault Sub
77	110,536	8,702	Djinn Fighter
78	119,312	8,776
79	128,163	8,851	Sleeper Artillery
80	137,960	9,797	Grimm D7 Carrier
81	149,611	11,651	Voodoo Gunship
82	163,137	13,526
83	181,288	18,151	Beast IFV (Tank)
84	205,029	23,741	Shaman Battleship
85	234,419	29,390	Midnight Bomber