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How To Get ALL Big Dukeroo Collectibles - LEGO Batman: Legacy Of The Dark Knight

Lego Batman
Guides
Updated on May 26, 2026
May 26, 2026

Overview

The Big Dukeroo Mission in 'LEGO Batman: Legacy Of The Dark Knight' is home to a total of 11 collectibles. Below you'll find a short and easy to follow guide on how to acquire each one.

Collecting all Cakes unlocks it as a decorative model for your Batcave, and Wayne Caches grant ability points used to improve the strength of your characters.

Collecting the Red Brick on this level will unlock a new suit customization color for all characters.

All Cake Locations

1/5 - The First Cake can be found at the start of the level, down to your right from the very beginning in a corner.

2/5 - The Second Cake can be found on the balcony of the second-most left building of the level, right near the start. Hit it with a Batarang to break it.

3/5 - The Third Cake can be found in a food stall to the right of the second parade float.

4/5 - The Fourth Cake can be found sitting on the back of the second parade float.

5/5 - The Fifth Cake can be found in an alley, to the left of the second parade float.


All Wayne Tech Caches

1/5 - The First Cache can be found on the left-most building at the start of the level, which will be fenced off at first. Climb the side of the building with Catwoman to hit the lever, which will unlock it. From here, send Catwoman's cat int othe vent on the right of the building's interior, to open the final switch guarding the cache.

2/5 - The Second Cache is found just to the right of the previous building, marked by a delivery man sitting outside. use the UV vision on batman to detect the sheet metal covering the hole in the alley, and then pull it to the right to expose the cache.

3/5 - The Third Cache can be found up to the left of the second parade float. You'll need to get Catwoman to cut the glass of an apartment window. The cache can be found inside.

4/5 - The Fourth Cache can be found to the right of the castle parade float, in the back of the Gotham news van. Have Batman use his Batclaw to open it.

5/5 - The Fifth Cache can be found in the back left corner of the level, next to the castle parade float and behind the gathered crowd. Cut the glass, and head inside. The cache is right at the back of the room.


Red Brick Location

In order to grab this Red Brick, take note of the open interior apartment just above the second parade float, to the right of it. Send Catwoman in by cutting the glass, and position the TV just halfway in the room so that her cat can use it to jump into the vent on the left of the room. Follow this vent all the way through, and you'll find the brick on the other side!

Looking for any other bricks? We have a full guide with all 23 locations you can find by clicking here


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Conclusion

There you have it! We hope this guide helps you out as you continue to tackle the many criminals infesting the streets of Gotham!

To see collectable locations for other missions, click here.

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