|Crack The E Nigma||20|
|Solve every riddle on the island|
Once you solve every Riddler challenge you will be rewarded with this achievement. This may seem quite tedious to start with as there are 240 challenges through Arkham Island but it doesn't take that long to complete. You won't be able to collect every single item from the start of the game, you will need to acquire upgrades for your weapons such as:
While playing through the story you will find maps which indicate where all the Riddlers challenge items are located. Make sure you pick up all these maps when you see them to save any hassle finding each item. There not hidden away but they will be on your patch or in plain view.
If you are stuck on any of the Riddler's questions use the following site:
Riddler's Challenge Guide
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