No, Riku was never in Organization XIII. He wore the cloak because he wanted to hide the darkness in his heart.
King Mickey and Riku wears Organization clothes because so the Organization XIII think that there members of there Organization XIII and DiZ gives them Organization clothes to help them on there journey on the ending of Kingdom Hearts RE:Chian in Riku's Story Mode.
Riku ensures that Sora is regaining his proper memories by preventing the Organization and other threats from tampering with Sora as he sleeps. Riku works undercover amongst many worlds that Organization XIII is investigating.
In kh 358/2 days, Riku says " To make sure my best friend, sleeps in peace. " Also since he has Xemnas' Heartless hooked on his heart, he stays in this form when with Ansem and wears the hood over his head so he can't see his face and no one in the organization can either.
Riku and RoxasIn Kingdom Hearts 2, Riku fought and beated Roxas and brought him to DiZ to erase his memory of being in Organization XIII and to replace it with another memory, a fake one of Roxas having grown up in Twlight Town.
Axel was ordered to stop Xion from betraying the Organization. Xion was important to Organization XIII and their plan on harnessing the power of the Keyblade, so when Xion was informed by Riku of Org. XIII's plans, Axel had to stop her from further interfering.
The members of Organization XIII are:XemnasXigbarXaldinVexenLexaeusZexionSaïxAxelDemyxLuxordMarluxiaLarxeneRoxasXion~By MapleLeaf~
it is still called organization xiii
riku is wearing the organization 13 cloak because long ago when riku had the apperance of a child -because his heart was so strong ansem the wise told him to search for a young man named roxas and bring him to him. and roxas had beaten riku in a fight. so riku decided the only way to win the darkness is to imurge yourself in that same darkness.so when riku brought roxas to him he was inerducing himself as ansem, he also says that he wanted revenge at roxas and riku ended up being the victom of HIS revenge. i hope this makes it more clear! if not try some kingdom hearts websites or just plain wikipedia-type in kingdom hearts charecters! hope this helps :)
There are two different games where you can unlock Riku:Kingdom Hearts 358/2 Days:Reach mission 172 on Story Mode. This unlocks the character Riku to be played in Mission mode and multiplayer. Riku is in an Organization XIII outfit and is wearing a blindfold.Kingdom Hearts Chain Of Memories/RE: COM:Complete the story mode as Sora and unlock the special 'Reverse/Rebirth' mode. This unlocks a slightly different story mode involving Riku and his experience in Castle Oblivion.
There are two different games where you can unlock Riku:Kingdom Hearts 358/2 Days:Reach mission 172 on Story Mode. This unlocks the character Riku to be played in Mission mode and multiplayer. Riku is in an Organization XIII outfit and is wearing a blindfold.Kingdom Hearts Chain Of Memories/RE: COM:Complete the story mode as Sora and unlock the special 'Reverse/Rebirth' mode. This unlocks a slightly different story mode involving Riku and his experience in Castle Oblivion.
no you can only play as sora in 1 and 2, in re:chain of memories you can play as sora and riku, and in 358/2 days any of organization XIII sora Donald goofy micky riku xion (in multyplayer mode only) the main game is played as Roxas though
For most of the game he hides his cowardly butt in the alternate Twilight Town aka Roxas' Twilight Town with Riku. He emerges later to go to The World That Never Was where Organization XIII's HQ is.