Here is the full list of all 33 Supercharged Robot VULKAISER achievements.
Destroy 50,000 enemies.
Destroy 10,000 enemies.
Clear the game on any difficulty mode without using the Omega Weapons.
Let Roz escape again.
Clear TWO STAGES without combining with any of the other pilots.
Defeat any boss battle with only less than 15 seconds remaining.
Clear the game on Easy Mode.
Clear the game in Normal Mode.
Clear the game in Hard Mode.
Clear the game in Super-Hard Mode.
Clear a stage on any difficulty mode without Vulkaiser or any of the Vulkaiser modules being damaged.
Clear a stage in Super Hard mode without Vulkaiser or any of the Vulkaiser modules being damaged.
Defeat Space Devil – GOGOH.
Combine three times with all the Vulkaiser modules.
Have three of your Vulkaiser modules destroyed. Stop it!
Destroy a boss as Drill Kaiser.
Trigger all Omega Weapons.
Defeat Roz for the last time before he escapes.
Defeat Battleship Robot – KONGOUGER.
Defeat Supervillain Robot – WARUKAIGER.
Trigger three different Omega Weapons.
Combine at least three times with the same Vulkaiser module.
Defeat Invasion Mothership - CIGARINGER.
Destroy 1,000 enemies.
Destroy 5,000 enemies.
Defeat the Aerobot HENGENGER.
Have two of your Vulkaiser modules destroyed.
Have one of your Vulkaiser modules destroyed.
Combine at least once with all the Vulkaiser modules in a single run on any difficulty mode.
Defeat Underground Robot NEGIRINGER.
Score a total of over 120,000 on any difficulty mode.
Trigger an Omega Weapon for the first time.
Combine for the first time.