I honestly loved both Revelations games. Even before making my Everything Wrong With Dartigan's RE Rev1 and 2 videos I already got invested in what those games offered. I liked the multiple playable characters during the campaign in 1 with Keith being especially awesome with his charged blade melee attack, the environments were varied well within the series usual settings, the music was also great (Countdown was one of my favorites here), gameplay I felt was a good balance between pre 4 style survival horror gameplay and the action and controls of 4 and I do like how the dodge from 3 was brought back and improved, the story was alright in my opinion, and the Raid Mode is right up there with the Mercenaries. Overall a really good game and the only negatives I can think of with the game for me are the RNG for Raid Mode sucks ass, Rachel's character design is ridiculous, and the story doesn't tie into the series or previous installments so so much.
For Revelations 2 I enjoyed the campaign and the game in general more than 1. The characters were really good with Barry being welcomed and long overdue, Moria getting some decent development, and Natalia being good as a supporting character. For Claire, I also have a problem with her characterization which has changed a bit since we've last seen her, however, it didn't bother me that much since like real people a person can change in real life even in personality and I saw it that way for Claire given the traumatic experiences she's been through. I also don't like how Alyson Court couldn't reprise her role which could have helped keep her personality intact though I didn't dislike the new actress who gave Claire a more mature voice.
Update: (cut off for some reason)
Now for the rest of the game, the environments were even better than the 1st game, the music again fantastic (love the opening theme), gameplay was again good, the story was better this time since it ties into the series better than Rev1, and the Raid Mode was also well done and I appreciated the improvements it brought. The negatives for me with Rev2 were again garbage RNG for Raid Mode, the small issue I had with Claire's portrayal, and the massive plot hole regarding Moira's rescue.
I also really hope that Capcom will promptly follow up on the cliffhangers left by 1 and 2. Barry's family for instance is at major risk.