Here is the full list of all 61 War of the Human Tanks achievements.
Successfully Intercept 10 Attacks
Develop 30 Modules
Defeat a Horde of Cats
Clear Fruit Bat Bonus Maps
Complete Shock Research Line
Receive a Special Token
Overcome Megumi's Counterattack
Complete Command Research Line
Complete Assault Research Line
Complete Interceptor Research Line
Win a Battle Using Only Melee Attacks
Kill Five Enemy Units with a Scout Tank in a Single Battle
For Those Who Saw It All
Complete Episode 13: "The Will to Fight"
Develop the Smart Radar
Develop the Infinite-Range Battery
Complete Scout Research Line
Complete Episode 5: "Pass Satou's Test"
Complete Episode 13: "The Daihon'ei Rebel Unit"
Complete Episode 12: "The End of the Decisive Battle in Shinjuku"
Equip a Command Tank with Curry and Cola
Complete Barrage Research Line
Complete Episode 10: "The Meow-Meow Naval Battle"
Defeat Mr. Cat (New Game Only)
Defeat the... Tank?
Complete Episode 9: "Kurara Iikura Strikes Back"
Achieve a Wipeout Using Only Shock Tank Attacks
Kill All Enemies by Using the Same Unit
Achieve Ten Speed Bonuses
Win the Battle for Matsumoto Railway Without Using Battery Tanks (New Game Only)
Win the Battle for Yumishirogahara Before 5 Minutes Elapse (New Game only)
Destroy 500 Enemy Tanks
Complete Episode 13: "Miou Liberation Front"
Finish War of the Human Tanks
Complete Episode 13: "Charge! Human Tanks"
Complete Episode 12: "What the Sword is for"
Complete Episode 11: "Infiltrate the Nagoya Tower"
Defeat Mr. Cat
Assemble 100 Tanks
Complete Episode 10: "Conquer the Northern Area"
Fight 50 Battles
Ensure a Safe Return for at Least 12 Wounded Units
Defeat the Tank-Model Tank
Complete Episode 9: "Operation: White Wall"
Collect 1.000.000 Crates from Battles
Complete Episode 8: "Annihilate All Stray Tanks"
Win 25 Massive Victories
Complete Episode 7: "Under the Flag from the Past"
Kill Five Enemy Tanks in a Single Attack
Complete Episode 6: "The General from Hell"
Achieve Three Wipeouts
Complete Episode 5: "The Blue Sea and the New Tank"
Complete Episode 4: "Defeat the Conspiracy and Conquer Castle Matsumoto"
Complete Episode 3: "Attack the Armored Train!"
Destroy 25 Enemy Units Without Seeing Them First
Complete Episode 2: "Imperial-Capital Conquering Regiment"
Achieve a Massive Victory
Kill at Least One Enemy Tank Using Each of Your Tanks in a Battle
Win a Battle Using Only Heshiko
Win a Battle Without Losing a Single Unit
Complete Episode 1: "Daihon'ei Unfrozen"