I was at Walibi Belgium on Sunday riding Kandaa for the first time. The park was pretty packed with the regular queue line of Kondaa around and above an hour (single rider was still 30-40 mins) despite decently fast dispatches. Got a few rides including the front and back row in the afternoon. The coaster rode very well, it's intense, glass smooth and it's a decently long experience.
However, I wasn't really that euphoric as many others I've heard of. I guess I went in with too high expectations basically expecting it to do everything that Expedition G-force does plus a whole lot more. But that's not what it does, IMO. Sure, it has a couple of great elements, strong airtime and a few of Intamin's "RMC adaptations", all looking very good. But not every element is superior to the ones on G-force. For instance, I was a bit disappointed by the first airtime hill expecting it to deliver absolutely stunning ejector from start to finish just like the one on G-force but stronger. But this hill is profiled differently. It has more of a parabolic shape and it's taller compared to the one on G-force. As a result, you actually do get slightly longer airtime but the intensity of the airtime varies quite strongly over its duration. In the back, you actually start with just floater in the first half of the hill and get strong ejector only in the second half after cresting over the top. (In the front it's the other way around and this actually felt better for me.) Well, don't get me wrong, the hill is still great. But I still prefer a profile such as the one on G-force.
For the second, outward-banked hill it's a similar story but due to the sensation of sideways airtime it's not that much of an issue I feel. Actually, that hill is great. For my taste, I wouldn't mind if it banked even further.
Another (this time positive) surprise was actually the cobra-roll. This was the only element for which I haven't had that high expectations but it was pretty fun. I'm still not sure if it fits perfectly well in that spot in the layout but it's a great element in its own right.
The twisted section following the cobra roll is a very solid section, maybe with the little exception of the wave turn which - after experiencing all the strong ejector air - seems a bit tame and pointless. However, probably in another spot or on another coaster this wouldn't have been such a bad element but here it does not shine that much.
The return trip is fun but also not top-notch, IMO. I'm not such a big fan of the very small airtime bumps. I mean, they are fun but not something to fill a too large portion of a ride with. The Stengel and the one larger hill before that is great fun though. I guess, one thing that would make the return trip shine more is if some of the funky-shaped hills would have some terrain or theming around it supplying some motivation for the twists that otherwise seem a bit random.
So in summary, I'd say Kondaa is a great coaster and has a couple of world-class elements but somehow they are not composed in such a purposeful manner to make it an overall top-notch experience. Right now, I think I wouldn't rank it above G-force. However, I hope I'll have the chance to give it another try soon...