As of this moment, i have beaten 99% of the game, the last trophy i need to unlock is the boss rush but i'll digress about my scrubness at marathonning all the bosses. With that out of the way, i should talk about the ugly things first
Given how the botmatches were improved by a FUCKTON in the MM10 and MMV Chapters with the roboenza, the screw collection and the bots being dedicated to their own weapons in the MMV chapter similar to how the bots behaved in the botrush before fighting Gamma is amazing, i can't stress enough how fun the botmatches were in the MM10 and MMV chapters that this shit needs to be said, the mm7 and mm8 chapters feel SO OUTDATED in comparasion, if the MM7 Chapter worked like the MMV chapter minus the screw collecting where you fight a set of bots and then the respective robot master from the mm7 map swoops in to fight you, that'd be amazing. The mm8 chapter feeling outdated is just me finding that the botmatches add nothing to the story, not even a mm8 robot master cutscene like the one in MM7FRE with freezeman and the other boys shwoing up.
Now about the GOOD stuff like the new chapters, the roboenza fights range from fun to "holy fuck how do i win" if you let the entire crowd get infected, i had to cheat Hornet Chaser when i had the misfortune of 3 bots with flight virus in mm10sol and the way how ALL the stardroids getting roboenza kicked in the Wily Star map left me in pure awe, if it wasn't for the Super Secret BFG: Dawn Breaker. I would've taken longer to beat the rest of the MMV campaign and especially Sunstar, but before i get to the final bosses i have to talk about the sweet fucking Ra Moon puzzle. 100/10, i was expecting something simple like "oh i just get the artifacts and get tele'd into rathor's fight" but no, you have to beat another puzzle and it was incredibly clever to implement the weapon collection into the story, and the best part is that you don't need single specific weapons, you can beat the puzzle with anything that lets you jump very high, block MM1FIR pillar flames or walk through spikes, and the way how the textures give you hints on which weapons you should use is SO AMAZING. Even if the alternate routes were small and probably meaningless, more options to beat something is always nice.
Now the Ra Thor and Ra Devil fights. HOLY HELL they make Quint look puny in comparasion, Ra Thor is so fast you have to react to everything he does or else you're taking big damage and he is also tanky as a mofo that you need a lot of copyweps to beat him because Mega Arm is just too slow to do damage to bosses imo, and Ra Devil is borderline impossible if you don't have AoE weapons like Rain Flush and Gravity Hold, that attack where you're getting sharked by mini blobs while Ra Devil floats around you took me a sweet day to figure out, Lightning Bolt is NOT viable to beat that phase because the lightnings won't hit the floaty Ra Devil consistently before you run out of ammo. The other attacks Ra Devil uses are very fun to do though, especially the one with the wall, i like that the pea-sized Concrete Shot cube can tank the blue blasts phase. Overall, the Ra Moon puzzle was amazing and 9/10, would be 10/10 if Rush actually behaved in MM4DIV because in the other maps where you find artifacts, rush would usually stay around to guide you to the secret, but in MM4DIV the dude just won't budge, shoutouts to the players in pub like Pegg for spoonfeeding me the answer (same for the Mega Ball position lmao, i though you had to cheat the mega ball in the mm6 botrush to get it and get the Heroic Arsenal trophy.
Now, Sunstar. This boss fight hit different, the Nova Beam attack took me a while to figure out and even when i learned how to dodge it, the dude's second phase just makes it crazier to dodge and the build up to fighting Sunstar, how he was compared to a God by Terra himself and this shit delivered, Sunstar actually felt like fighting a god and when ER's pummeled phase pulled a xenomorph on Sunstar, that was honestly just hilarious, i didn't expect that Sunstar and ER would fuse, my only issue with this is that the first encounter with it isn't a true boss fight because nothing harms him, you just wait him out until the escape sequence happens, which by the way, it was a clever way to turn the deathmatch map into some adventure themed map (again, another thing that highlights my issues with the MM7 and MM8 chapters) and the true final boss kicks in.
And HOOOOOOOLY JESUS we went from Megaman pewpew in first person to Kaiju-sized Punch-out and i loved every second of it, now if only the Gamma MK2 you pilot was renamed to Alpha and Eclipse was named Omega, that would've been
kino. Fighting eclipse was just a crazy experience, the way you counterattack all of Super ER's attacks is just a work of art, although the fight kinda drags on until the second part though because of how little damage you do to him and the dark balls that knock you away take a large beating and the dude spawns a LOT of them, you need to clear those out of the way and dodge the barrages that Eclipse vomits at you at the same time, the boss fight was a massive multi-task that can tire you out. Oh and the Punch-out sections were hilarious as hell, i never thought i'd see QTE's in the Doom Engine. Shoutouts to Super ER's bulging muscles when he counters your swings though
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That said, Duo somehow talking to you and powering you up for the second phase is just a bunch of blueballs and i didn't like how Duo stays dead but you are alive anyways in the ending instead of pulling an Iron Giant and take down super ER with you and die a real hero. If Maestro somehow survived that shit because Sunstar SOMEHOW survived long enough to take you back home, then Duo could've been easily repaired repaired by motherfucking Awesomefan92 when Gamma MK-2 was built and then he sweeps in and powers you up for the second Eclipseboss phase. That could've made more sense in my opinion.
In either way, despite the iffy details about the story, the game is all around amazing and shows what a dedicated community can build in 10 years, it may not be perfect but then again, there's no such thing as true perfection, as long as it's functional, fun and engaging, it will work and bring out the best of the best