That's a whole lotta game. That's the most common thing I hear about both Valhalla and Odyssey. That they're enormous. And sometimes not in a good way.
But hey, I got burned out just on the base game of Witcher 3 + Hearts of Stone. To this day I haven't really touched Blood and Wine, and whenever I think about going back I just see that whole thing as a mountain to be scaled. My personal Everest.
Well, that's not so basic, firstly both cases are quite different, secondly it's heavily dependent of player type.
I can understand too long play duration, and some games as Skyrim and The Witcher 3 suffered of it when I failed finished them and gave up after about 80H of play. Fallout 4 didn't last that long but I suppose you don't store it in those very long play games. And still, I played odyssey twice.
Bloated content is definitely a tag players enjoy set to Odyssey no matter if they enjoyed the game or disliked it. But where it is bloated is the absurd amount of secondary quests with most having a quite good writing, for mechanics it's not as good but if you like combats and stealth it should not be a big problem. But the point here is:
- Generated quests are grey so easy to skip.
- The insane amount of secondary quests can be ignored, pick some ignore others.
- There's various systems that can be ignored so not finish them if fine, arena system, mercenary ladder, second mercenary ladder, totally new build possibilities starting at level 50, a cult order you can skip fully destroy, mythic animals you can skip kill all and ignore the quest that follows.
- You can fully ignore the DLCs, in fact one is more late content past end of main story.
- There's an equipment crafting/resources system allowing upgrade stuff at each level up. Firstly at first you can't do it until later and get bonus or prices through an optional system, secondly it's non sense bother at each level up. So this can burden a play if you don't realize upgrade when you can upgrade isn't the right/most efficient choice.
That's a ton of stuff you can ignore, reach level 47/49 and finish a first play (or lower level for skilled players or with lower difficulty), bloated content is only for players that cannot ignore content to play.
For Valhalla i don't remind at all it is bashed for bloated content, but yes it has a lot more content anyway. But it's a special RPG and a design path I hope no more Rpg will follow no matter its qualities. It has just one huge main quest truncated in parts, apart last parts of it that I hated, I found this quite well done. And past that it's only a myriad of mini games and small games except you can pick some and ignore a ton. Moreover if you don't bother on difficulty level and kept default difficulty it's easy mode so allowing even more rush to finish the huge main quest. And, at least for me, it worked better than Skyrim or The Witcher 3 because it's a much much better main quest, no comparison (but TW3 still blow up the concurrence on writing quality of many secondary quests).
And then I have some doubt those both games can be that enjoyable all along without enjoying a lot the combats and having fun to dig them. Moreover for Odyssey character building is another spice to dig along a play, and it includes an interesting equipment sets approach, so a build is a sort of a mix of multiple builds that aren't fully mixed but that you switch between. Caution for Valhalla it has perhaps a combat system somehow better than odyssey but its default difficulty is insanely low apart for DLC and eventually a few mini bosses. I don't think I had to play Odyssey past default difficulty and still had a fun learning curve along second play. For Valhalla I ended a play with almost highest difficulty for all options but high damages though options to avoid hit in walls.
So in few words, I advise more Odyssey, for both be ready for excessive content if you have some completionist syndrome, for both it won't be that fun if you don't like dig combats but thanks to the quite good huge main quest Valhalla will probably be more enjoyable if you don't dig combats, and only Odyssey has a really fun Stealth/Assassination system but it will hardly fill a full play without digging combats. Another point, a bit surprising for me, if you are found of tricks and puzzling, then Valhalla is quite a collection and certainly the biggest collection of such stuff in RPG, but most are a bit like various puzzles small games included in the core game, and too few are well embedded in the core gameplay.