Reboots
A sequel is one thing. A prequel is... Well, if done right, it can be good. But completely changing the game world, dropping all of the continuity, and effectively taking a dump on all of our connection to the characters? Please, god, no.
To me reboots can work, especially if the original is still considered canon within its own universe.
It is often either reboot the series or just end it since often series have devolved into a heaping pile of stupidity (the Resident evil series for example).
Then there are games where the reboot happened only because they wanted to make more games but realized the character was pretty much complete... like Devil May Cry. Which frankly might as well be their own independent games.
THEN there are games that are essentially reboots but like to pretend they aren't... Alone in the Dark for example is a reboot to the alone in the dark series but likes to pretend it isn't. (look the ONLY Alone in the Dark that was any good was the very first one)...
Which come to think of it... put me on the band wagon too... I decidedly don't like reboots so much either. For every Mortal Kombat (the only reboot I can think of that did it halfway decently) there are too many others. They are just made so they can "tell their own story" while trying to get "fans of the original".
Alone in the Dark
Person 1: "Ehh we are making a horror game but we aren't sure how to get people to buy it"
Person 2: "Why don't we make it a sequel to Alone in the Dark?"
Person 1: "But it isn't even related to the series and has no real connecting threads"
Person 2: "So?"
Person 1: "We need SOMETHING!"
Person 2: "Uhhh... make the main character a time traveler"
Person 1: "But shouldn't we change his character to match?"
Person 2: "Heck no! Also don't bother trying to match the tone or context of the original either"
Person 1: "So let me get this straight. We are making a completely independent game with no similarities to a game and no connecting threads that we are naming a sequel in order to be associated with one of the heralds of the survival horror genres??
Person 2: "Yep"
Person 1: "GENIUS! Lets also insert Satan into this... He makes everything better! Just ask Castlevania!"
Ps. The Castlevania reboot was terrible too.