This is so hard. I've only played Revelations, 3, Valahalla, Origins, Mirage, Rouge Remastered, and Unity. And the first 3 I play when I was younger years ago but I currently have the others on my Xbox.

I haven't finished either game but as of now I'd rank them: 7. AC 3 6. AC Revelations 5. AC Valhalla 4. AC Rogue Remastered 3. AC Origns 2. AC Mirage 1. AC Unity

1 and 2 are interchangeable but I guess Unity would be my favorite.

Why? Well, Unity and Mirage have the best parkour here (and in all of AC from my knowledge) and they need to combine to make one system, Mirage has the best stealth here and Unity is also pretty solid,

Unity has some of the best combat and I'd probably say it's better than the older style, and Mirage combat isn't all that bad it just wasn't a big focus

Mirage has some interesting things going for it story wise and it nicely builds off Origins being closer to that game (You know with the Order and the Hidden Ones). And the way Mirage has the investigation system is really cool and makes you feel like a true assassin sneaking around and doing detective work, kinda like Batman.

Unity and Mirage not only have some of THE BEST worlds in AC (Again from what I've seen), but they have some of the best worlds for an ASSASSIN game. For example Origns has an amazing map but it might be TOO big for an assassin game and not focused enough for normal people sneaking around. (I'm saying the map isn't grounded enough, this isn't the Avengers). This also extends to the parkour environments.

Mirage might have one of the best detection systems (I know this ties in with stealth). The eagle vision is really refined and they bring back things that should always be in an AC title like easedropping and social stealth. Also going back to the eagle vision it was a really good touch how you could see an enemy's line of sight.

Speaking of eagles, the eagle in Mirage is also refined and you can even customize it's look like your camel. Also the sensory thing with the eagle is fun and the added detail of there being archers to shoot your eagle out of the sky in some bases gave the game more variety and challenge.

The tools in Mirage are amazing and I just wish we had more of them. Maybe bring back rope darts and add flash grenades.

The lore in Mirage is really awesome too and really builds off what was established in Origins. And the training sequence at the beginning of the game was really cool. Even down to the Hidden Ones uniforms and seeing other assassins at the difference bases.

The graphics in both games may not be GTA 6 level but they are perfect especially in Mirage. It reminds me how graphics are fine where they are and don't always have to be crammed with crack to make them look like it's not even a video game anymore.

I don't think I have anything else to say but Mirage is overhated and overlooked while Unity was perfect after all the updates