* AntiClimaxBoss: The final boss' only tactic is to punch you, even letting you jump over him since he kneels down. The only problem is that [[AttackItsWeakPoint his head]] is somewhat challenging to hit.
* SugarWiki/AwesomeMusic: Sunsoft really raised the bar on Awesome Music with this one:
** [[https://www.youtube.com/watch?v=iwn-9IiO3MM Stage 1 & 5]]
** [[https://www.youtube.com/watch?v=B_ibDyHj0_A Stage 2]]
** [[https://www.youtube.com/watch?v=hrZ8UiU3ZfE Stage 3]]
** [[https://www.youtube.com/watch?v=CgmH6J5GGxE Stage 4]]
* BreatherBoss: The fourth boss has only one predictable attack.
* FanNickname: The [[DemonicSpiders notorious]] "[=HumpBot=]", as named by LetsPlay/DeceasedCrab, in Stage 3.
* GoddamnedBats: Airborne enemies usually attack while jumping bottomless pits or navigating deathtraps.
* ThatOneBoss: The [[CoresAndTurretsBoss third boss]], with its complex pattern of projectiles, is disproportionately harder than the others.