I loved Resident Evil 1-4 with Code Veronica being my favorite. While I liked 4, it did have problems. Namely most of what Vivi22 mentioned. Dead Space did fix those issues. Also, to defend RE4 for some of those choices I don't feel is entirely valid either. In RE5 they still had you stationary when aiming.

But I am here to talk about how much I hate RE6. I just played through this game and it was not very fun or good. Fights when on for way too long, rooms with never ending enemies, stealth sections when the stealth mechanics cannot even compete with the original MGS from roughly 15 years ago, no way to pause the game, cover mechanics that don't work remotely well in this day an age and a slew of other issues.

The only enjoyment I got was laughing so much at how bad stuff was. Even while playing through Ada's campaign, I still got new glitches and levels of bad that made me crack up. I felt like the GameGrumps playing Sonic 06.