| Achievement | How to unlock
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| A Nasty Surprise | Complete A Nasty Surprise mission on Medium difficulty.
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| Achilles Heel | Complete the TRO Achilles Heel mission on Medium difficulty.
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| An Unexpected Connection | Complete the An Unexpected Connection mission on Medium difficulty.
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| Behind Enemy Lines | Complete the Behind Enemy Lines mission on Medium difficulty.
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| Blitzkrieg | Complete the TRO Blitzkrieg mission on Medium difficulty.
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| Bring it Home | Complete the Bring it Home mission on Medium difficulty.
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| Clear the Path | Complete the Clear the Path mission on Medium difficulty.
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| Close Target Wrecky | Complete the TRO Close Target Wrecky mission on Medium difficulty.
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| Controlling the High Ground | Complete the Controlling the High Ground mission on Medium difficulty.
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| Decorated Combat Commander (secret) | Complete all missions on Very Hard difficulty. (Secret)
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| Dire Straits | Complete the TRO Dire Straits mission on Medium difficulty.
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| Eagle's Nest 1 | Complete the Eagle's Nest 1 mission on Medium difficulty.
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| Escape from Mars | Complete the Escape from Mars mission on Medium difficulty.
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| Flying Solo | Complete the Flying Solo mission on Medium difficulty.
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| From Out of Nowhere | Complete the TRO mission From Out of Nowhere on Medium difficulty.
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| Frustrate Their Knavish Tricks | Complete the TRO Meanwhile, Frustrate Their Knavish Tricks mission on Medium difficulty.
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| Grand Theft Portal | Complete the TRO Grand Theft Portal mission on Medium difficulty.
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| Hidden Enemy | Complete the TRO Hidden Enemy mission on Medium difficulty.
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| Hook, Line, and Sinker | Complete the TRO Hook, Line, and Sinker mission on Medium difficulty.
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| IO's Bridge | Complete the IO's Bridge mission on Medium difficulty.
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| Leave Home | Complete the TRO Leave Home mission on Medium difficulty.
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| Lifeline | Complete the TRO Lifeline mission on Medium difficulty.
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| Light Up and Let Go | Complete the TRO Light Up and Let Go mission on Medium difficulty.
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| Meanwhile, Back at the Ranch... | Complete the TRO Meanwhile, Back at the Ranch... mission on Medium difficulty.
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| New Kids on the Block | Complete the TRO New Kids on the Block mission on Medium difficulty.
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| Out There Somewhere | Complete the TRO Out There Somewhere mission on Medium difficulty.
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| Precious Cargo | Complete the Precious Cargo mission on Medium difficulty.
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| Protection | Complete the TRO Protection mission on Medium difficulty.
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| Punishing the Black Dogs | Complete the Punishing the Black Dogs mission on Medium difficulty.
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| Reclaim our Base | Complete the Reclaim our Base mission on Medium difficulty.
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| Red Arrival | Complete the Red Arrival mission on Medium difficulty.
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| Rescue Me | Complete the TRO mission Rescue Me on Medium difficulty.
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| Spilt Milk | Complete the TRO Spilt Milk mission on Medium difficulty.
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| Stranded | Complete the TRO Stranded mission on Medium difficulty.
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| Strike at | Complete the Strike at the Heart mission on Medium difficulty.
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| Tapping the Core | Complete the Tapping the Core mission on Medium difficulty.
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| Terra Incognita | Complete the TRO Terra Incognita mission on Medium difficulty.
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| The | Complete The Three Beacons mission on Medium difficulty.
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| The Best Laid Plans | Complete the TRO The Best Laid Plans mission on Medium difficulty.
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| The Enemy Within | Complete the TRO The Enemy Within mission on Medium difficulty.
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| The Evil Battalion | Complete The Evil Battalion mission on Medium difficulty.
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| The Golem Ambush | Complete The Golem Ambush mission on Medium difficulty.
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| The Playground | Complete the 4 Combat Exercises to unlock The Playground.
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| The Race is On | Complete The Race is On mission on Medium difficulty.
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| The Relic Discovered | Complete The Relic Discovered mission on Medium difficulty.
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| The Ultimate Quake | Complete The Ultimate Quake mission on Medium difficulty.
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| Total Destruction | Complete the Total Destruction mission on Medium difficulty.
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| United We Fight - United We Die | Complete the United We Fight - United We Die mission on Medium difficulty.
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| Wolf in Sheep's Clothing | Complete the TRO Wolf in Sheep's Clothing mission on Medium difficulty.
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| Wrangling the Fleeing Herd | Complete the Wrangling the Fleeing Herd mission on Medium difficulty.
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