Best time to do Ridller missions?

[EgoMaster]

Hi everyone,

I searched before but couldn't find an answer to this, so if this is asked before, I apologize.

In Arkham Asylum I played the game normally and collected the trophies I came across, then, just before going to Joker's Party I started a collectibles hunt and found all 240 of them. I want to do the same thing here, but this is an open world title with two playable characters, and that confuses me about the correct time to do Riddler challenges. I hate collectibles getting in the way of story, so I want to start the hunt after I've collected the necessary equipment, before the "point of no return". When is the best time for that? The game just switched to Catwoman for the first time and I think I'm about to see Poison Ivy.

Thanks for your help.

[Salander]

Well, the thing about this game is it's filled with sidequest apart from the Riddler one and some of them may feel like "collectible hunting". Or maybe it would be best to call them "event hunting" because you need to come across certain character/call/message to advance in those.
But nonetheless, I think you can do all of those before endgame except for Riddler because I read about one of the Trophies it's only achievable in post-game. Im not entirely sure tho'.
The point of no return is when you reach the top of a certain tower, you'll notice when.

In the case of Selina this can be taken more freely because she have a mission after the ending of the game for Batman and there's an extra sidequest after that too. So, you can leave the trophies for her to be the last thing to get.

Two more things:
1) Do the AR sidequest as soon as you can. It's worth it.
2) To finish the Riddler quest you gonna need 400 trophies, the Catwoman's ones beign an extra but counts to achieve that quantity.

[JonoAMano]

You can actually complete Riddler before main story end, before breaching a final vital stronghold if you collect a minimum of 400 secrets (riddles, trophies, and Physical Challenges) between both Batman and Catwoman. Mapache Malvado's correct in that there's one trophy that can only be collected by Batman post-game, but if you collected and solved all other secrets between both characters then Riddler will already be a memory by that time. I always finish Riddler during Protocol 10, before breaching that aforementioned stronghold.

Catwoman's collection also counts toward Riddler completion, so break or open any weak walls or other impediments for her so she can collect not only her own but a few of Batman's trophies inaccessible to him earlier in the game. Interrogate all informants as Batman to locate Riddler secrets for both characters. The first Riddler hostage is free but the next 4 hostages unlock every additional 80 points, capping at 320. Do the Riddler and other side missions alongside the main story, because those newly explored areas unlock more secrets for a grand total of 440.