* AnticlimaxBoss: [[GoodBadBugs Amusingly]], the ''final two bosses'' can both be taken down before the fight even begins, due to them both appearing on the map before the battle and still being damagable in this state. See [[http://www.youtube.com/watch?v=aaqOZbivZy4 here]] and [[http://www.youtube.com/watch?v=p3D5UDohVgk here.]]
* AssPull: [[spoiler: Captain Qwark [[HijackedByGanon being the real mastermind]] behind the Protopet plot]]. [[http://www.ign.com/articles/2007/10/30/ign-presents-the-history-of-ratchet-and-clank?page=2 Apparently,]] [[spoiler: Qwark's addition to the game was done midway through production due to the team missing the character, starting with the "Behind the Hero" videos, and finally upgrading him to BigBad status.]]
* DemonicSpiders: The Y.E.T.I. on Planet Greblin. They are everywhere, highly durable, annoyingly cheap, and will do their best to prevent you from getting moonstones, often attacking in large groups. Some developers admitted that were coded on a rush and break some of the enemy guidelines they set, like short attack telegraphing and constantly attacking from behind. This actually got a MedalOfDishonor made for the studio, called the "Snowbeast Award" for whoever made the worst thing in a game made the previous year.
* DesignatedHero: Angela Cross. After TheReveal, she's treated as a misunderstood hero who's been thwarted by unsuspecting dupes, but before then, it's not hard to see her as purely villainous. She was at least partly responsible for the needless massacre of Megacorp employees on Planet Oozla, she kidnapped Clank, tortured him, and held him hostage, her solution to the Protopet problem was to blow the original up with a giant rocket - despite the fact that she possibly had a Helix-o-Morph available - and she wasn't hesitant about trying to kill Ratchet up until she lost the mask on Tabora. At no point is she called out on her actions.
** Before [[spoiler: [[HijackedByGanon Fizzwidget was revealed to be Qwark in disguise]]]], virtually all of the above actions can be rationalized as [[WellIntentionedExtremist Well Intentioned Extremism.]] She had firsthand knowledge that the unrefined Protopet had ''[[KillerRabbit killed]]'' some of its previous handlers, and rightfully knew that Fizzwidget pushing up the release date before she could fix all of it's ravenous defects with the Helix-O-Morph, was a full-blown catastrophe waiting to happen (and did escalate into late in the game) and she was [[StrawmanHasAPoint booted off her team for protesting this]], so she was forced to stoop to terrorist actions in a last ditch effort to prevent disaster. Her torturing Clank was obviously so she could attempt to get Ratchet (who she saw, along with Clank, as just unwitting pawns of Fizzwidget's scheme) off her trail. The only action that is hard to justify is her [[WhatTheHellHero indirectly murdering the Megacorp employees on Oozla]], but given that [[TooDumbToLive there was a giant red button behind a desk that could shut down all the perimeter defenses in the first place (let alone that the mall was set on a desolate swamp world with countless hazardous creatures outside)]], they were just ''asking'' for trouble sooner or later, and she may have done it just to [[RevengeByProxy spite her former employers]]. And finally, it's implied that the excessive means of destroying the Protopet was to absolutely ensure Megacorp [[NoPlansNoPrototypeNoBackup could not recreate or use it for their own means again]], and it appears Angela did not have access to the Helix-O-Morph by the time she carried out her plan, and it's implied she never even got the chance to test it.
* EvenBetterSequel: Quite apart from Ratchet's improvement in professionalism and character, the weapons are more serious yet still creative, the number of worlds and gameplay elements increased, RPG-like elements such as the upgrade features were added, and the wrench controls became a lot less cumbersome. There's also a ton of new features and gadgetry, and even the Clank sections underwent some major changes.
* GameBreaker: The Bouncer can be this in all but the very last levels. More obviously, the [=RYNO II=].
* GoddamnedBats: The Protopets. They keep reproducing if you don't get every single one of them and you often encounter them in groups.
* GoddamnedBoss: Megapede is not difficult to beat, but it has a large health bar, moves around the arena all the time, deploys irritating bombs en masse, and when whittled down by a powerful weapon, deploys mini-tanks with a difficult-to-avoid attack. The [=RYNO II=] doesn't help in this case because it keeps missing it, so you'll need weapons with Lock-On Mods.
* GoodBadBug: Using the thruster boots on the ice planet while being attacked by the Yeti's can cause Ratchet to dissapear with only his shoes, helmet and clank being visible. In this state he is immune to damage, which means you can run around collecting Moonstones or beating Yeti's at your pleasure.
* MoralEventHorizon: [[spoiler: If Captain Qwark hadn't already crossed it in the first game for siding with a planet killer for publicity and money, he ''definitely'' crosses it in this game, by kidnapping and impersonating a corporate CEO, and willingly unleashing a killer pet upon billions of lives so he could [[EngineeredHeroics avert the threat and take credit for it]], and attempting to frame Ratchet, Clank and Angela for the catastrophe. And barring his plan [[HoistByHisOwnPetard horribly backfiring on him and getting him eaten alive]], and being stuck in a humiliating, painful disposition as a Megacorp test dummy, he practically [[KarmaHoudini gets off scot free.]]]]
* TheScrappy: The New Age Mystic for being generally unhelpful and requiring the hard-to-get Moonstones just to do something.
* ScrappyWeapon: The Meteor Gun for some, generally because it lost players as a pretty useful crowd-control weapon. However, it can still do well against bosses because it's pretty powerful, and it makes for a more than adequate substitute for the Heavy Lancer later in the game, once the enemies get too durable for that weapon to be even remotely useful.
** The "Old Skool" skill point has been getting this reputation, but [[GameBreakingBug probably for the wrong reasons]]. It's a pretty tricky skill point in and of itself: requiring you to kill everything in a particular level (and a fairly long, two-segment one at that) using only Ratchet and Clank 1 weapons, [[SoLastSeason which are much weaker compared to the new RC2 ones, and can't be upgraded]]. But to add insult to injury, the skill point is glitched in the HD re-release, meaning it mightn't show up even if you do everything right!
** The "Wrench Ninja II" skill point is just as bad, as the enemies on that planet will often kill each other before you even reach them, and it's nigh impossible to hit some enemies without getting a few scars for your trouble.
* ThatOneSidequest: Collecting the moonstones on Grelbin, and [[LastLousyPoint not just because there's no way to tell where to look if you miss one or two]]. The crystal-gathering sidequest on Tabora had similar problems, but at least the enemies there were manageable.
* WoobieSpecies: The one-eyed robots seemingly can't catch a break. They get blown up in a commercial and eaten by mutant squirrels on Todano, killed by security robots on Aranos, and massacred on their home planet, Damosel. Two skill points involve keeping them alive despite the hordes of enemies waiting to get them.