Unlock Codes
The unlockable concept art for the Extras' screen.
| Unlockable | How to Unlock |
| Anglo Isles Concept Art | Beat Western Frontier Flashback with all S |
| Iron Legion Concept Art | Beat Anglo Isles Campaign with all S |
| Tundran Territories Concept Art | Beat Iron Legion Flashback with all S |
| Western Frontier Concept Art | Beat Solar Empire Campaign with all S |
| Xylvania Concept Art | Beat Tundran Territories Campaign with all S |
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| Unlockable | How to Unlock |
| Unlock Solar Empire concept art | Complete the first campaign |
| Unlock Western Frontier concept art | Complete the first campaign with all A ranks |
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Beat the following Campaigns to unlock the Unit Dossier for that army on "Extra".
| Unlockable | How to Unlock |
| Anglo Isles Unit Dossier | Beat Western Frontier Flashback with all A |
| Iron Legion Unit Dossier | Beat Anglo Isles Campaign with all A |
| Tundran Territories Unit Dossier | Beat Iron Legion Flashback with all A |
| Western Frontier Unit Dossier | Beat Solar Empire Campaign with all A |
| Xylvania Unit Dossier | Beat Tundran Territories Campaign with all A |
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All wi-fi missions become playable in all three modes.
| Unlockable | How to Unlock |
| All Wi-fi missions | Get an S rank in every single-player mission |