The Title Update 5 Title update for Metal Unit has 17 achievements.
Clear the first layer of EX Mode.
Clear the second layer of EX Mode.
Clear the third layer of EX Mode.
Complete a full run of EX Mode.
Rescue the Blacksmith in EX Mode.
Rescue the Mixologist in EX Mode.
Rescue the Tailor in EX Mode.
Clear a EX Mode level with the Gigantic Mod.
Clear a EX Mode level with the Explosive Mod.
Clear a EX Mode level with the Speedy Mod.
Clear a EX Mode level with the Elusive Mod.
Clear a EX Mode level with the Muddy Mod.
Clear a EX Mode level with the Freezing Mod.
Clear a EX Mode level with the Flying Mod.
Clear a EX Mode level with the Flaming Mod.
Clear a EX Mode level with the Shocking Mod.
Clear a EX Mode level with 4 mods.