Here is the full list of all 50 Battlezone 98 Redux achievements.
Complete the Red Arrival mission on Medium difficulty.
Complete the 4 Combat Exercises to unlock The Playground.
Complete the Eagle's Nest 1 mission on Medium difficulty.
Complete The Relic Discovered mission on Medium difficulty.
Complete the An Unexpected Connection mission on Medium difficulty.
Complete the Escape from Mars mission on Medium difficulty.
Complete the Behind Enemy Lines mission on Medium difficulty.
Complete A Nasty Surprise mission on Medium difficulty.
Complete the Wrangling the Fleeing Herd mission on Medium difficulty.
Complete The Race is On mission on Medium difficulty.
Complete the Bring it Home mission on Medium difficulty.
Complete the Flying Solo mission on Medium difficulty.
Complete the Total Destruction mission on Medium difficulty.
Complete The Three Beacons mission on Medium difficulty.
Complete the United We Fight - United We Die mission on Medium difficulty.
Complete the Strike at the Heart mission on Medium difficulty.
Complete the Tapping the Core mission on Medium difficulty.
Complete The Ultimate Quake mission on Medium difficulty.
Complete The Golem Ambush mission on Medium difficulty.
Complete the Precious Cargo mission on Medium difficulty.
Complete The Evil Battalion mission on Medium difficulty.
Complete the IO's Bridge mission on Medium difficulty.
Complete the Controlling the High Ground mission on Medium difficulty.
Complete the Clear the Path mission on Medium difficulty.
Complete the Reclaim our Base mission on Medium difficulty.
Complete the Punishing the Black Dogs mission on Medium difficulty.
Complete all missions on Very Hard difficulty.
Complete the TRO Close Target Wrecky mission on Medium difficulty.
Complete the TRO Hidden Enemy mission on Medium difficulty.
Complete the TRO Spilt Milk mission on Medium difficulty.
Complete the TRO Wolf in Sheep's Clothing mission on Medium difficulty.
Complete the TRO Achilles Heel mission on Medium difficulty.
Complete the TRO Blitzkrieg mission on Medium difficulty.
Complete the TRO Terra Incognita mission on Medium difficulty.
Complete the TRO Hook, Line, and Sinker mission on Medium difficulty.
Complete the TRO Grand Theft Portal mission on Medium difficulty.
Complete the TRO The Enemy Within mission on Medium difficulty.
Complete the TRO Stranded mission on Medium difficulty.
Complete the TRO Meanwhile, Back at the Ranch... mission on Medium difficulty.
Complete the TRO Meanwhile, Frustrate Their Knavish Tricks mission on Medium difficulty.
Complete the TRO Lifeline mission on Medium difficulty.
Complete the TRO The Best Laid Plans mission on Medium difficulty.
Complete the TRO New Kids on the Block mission on Medium difficulty.
Complete the TRO Protection mission on Medium difficulty.
Complete the TRO mission Rescue Me on Medium difficulty.
Complete the TRO mission From Out of Nowhere on Medium difficulty.
Complete the TRO Dire Straits mission on Medium difficulty.
Complete the TRO Out There Somewhere mission on Medium difficulty.
Complete the TRO Leave Home mission on Medium difficulty.
Complete the TRO Light Up and Let Go mission on Medium difficulty.