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