Seriously GTA is so huge releasing on WiiU will 100% make a profit even if its just 1 dollar. And if its just 1 dollar then it was worth it because well you earned 1 dollar plus you established your IP.

Establishing your IP is the most important thing to do but must third party devs/publishers are to stupid and greedy to see it. They act like money is the only thing. Well you need to establish yourselves before you can expect money duh.

Not having GTA5 on WiiU would be a really stupid decision especially because the gamepad can offer alot of neat things

If it happens, it will either be A: Simul-launch with PS4/One versions (weeks or months after the PS360 version), or later still as a "Game of the Year" Edition

the game will launch in less than 3 months so i doubt it, i also really doubt they would port it over to the WiiU and not PS4 and Xbox one.

It uses a very different architecture to the PS3 and 360.

Compared to them, it's CPU is clocked lower, (1.2GHz vs 3.2GHz) has weaker SIMD, and has fewer threads, but compensates with more L2 cache, (3MB vs 1MB on 360) along with a shorter pipeline which means it suffers less from performance-robbing pipeline bubbles, a dedicated audio chip to handle sound and free up CPU resources, and the ability to execute more instructions per cycle.

It's GPU is so unconventional in its design that even after getting detailed photos, the tech-heads of the internet still can't figure it out. Criterion, a very skilled dev team, said the GPU was a "a real struggle" to work with, even though they eventually squeezed performance out of it that surpassed PS3 and 360.

So yes, it's difficult to develop for.

@Curl, 360 like Wii U is PPC based. It's not really that different. Sure some things are better on Wii U or more efficient but it's still power PC based like 360 so porting between the two shouldn't be that hard. In fact most early Wii U games were ported in a few months or were up and running with few tweaks in a couple of weeks. So no its not difficult at all to develop for. Most devs should already have years of experience with the architecture inside Wii U

The often shoddy quality  of said ports show it's not that simple. Both being PPC doesn't mean you can just dump your code across and expect it to run well. You have to rework it to take advantage of the CPU differences I listed above, and master a new and weird GPU, and manage your memory very differently.

Rockstar probably will release for PS4/One, not for Wii U

They would't release it on WiiU even if Nintendo offers full funding and 100 million dollars of advertising.

we would have heard something by now.

@Curl , That is exactly what they are doing in most cases atm and getting decent results in the process. PPC architecture isn't new. Just because the Wii U has a more up to date GPU doesn't mean the code needs to be reworked in order to work on it. Just like when the come out with updated graphics cards, games don't need to be reworked in order to run on the new cards. Now they would be if those cards offered new features you wanted to take advantage of, but in the case of Wii U developers are not building games from the ground up for Wii U and they do not need to in order to get them working. If they were doing that we would see vast improvements in graphics. Most wanted for example is just a port of the 360 version using PC assets. The engine itself isn't optimized for Wii U though so while the grphics are improved, the game doesn't actually run any better than the 360 version.