The Mimes mission opens Chapter 2 of LEGO Batman: Legacy of the Dark Knight, pairing Batman with Catwoman for the first time inside Shreck’s Department Store. The level hides 11 collectibles in total: 5 Cat Heads, 5 WayneTech Caches, and the Feline Red Brick that recolors suits and vehicles in white tones.
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Quick answer: Collect 5 Cat Heads to unlock the Cat Head Batcave Trophy, grab 5 WayneTech Caches for ability points, and solve the maze mini-game on the Gadgets Store TV (opposite the Pets Store) to claim the Feline Red Brick.
Image credit: Warner Bros. Games, Warner Bros. Interactive Entertainment (via YouTube/@Gamerpillar)
Mimes collectibles reference table
Collectible
Objective phase
Location summary
WayneTech Cache #1
Look for a way out
Whip the painting on the right wall after the opening cutscene
Cat Head #1
Look for a way out
Back-left corner of the second office room
WayneTech Cache #2
Find the elevator
Smash the desk for a key, then unlock the door behind you
Cat Head #2
Find the elevator
Resting in the statue’s hand inside the large enemy room
Cat Head #3
Look for a way out
Vent at the top of the stairs after the elevator
WayneTech Cache #3
Look for a way out
Smash the box on the right in the ambush room, then use Call Kitty
WayneTech Cache #4
Find a way past the doors
Whip open the Pets Store, then Batclaw the cache inside
After the opening cutscene, turn right and face the large portrait on the wall. Use Catwoman’s Whip on the yellow screws holding it in place to drop the painting and reveal the first WayneTech Cache.
Image credit: Warner Bros. Games, Warner Bros. Interactive Entertainment (via YouTube/@Gamerpillar)
Enter the room guarded by two Mimes and security cameras. Immediately break the desk on the left to grab a Key, then backtrack to the locked door behind your entry point. Open it for the second WayneTech Cache.
Image credit: Warner Bros. Games, Warner Bros. Interactive Entertainment (via YouTube/@Gamerpillar)
Continue into the large room with the elevator. The second Cat Head is held in the hand of the central statue, reachable with a jump or pulled down with a Batclaw.
Push through the ambush room and clear the enemies. On the right side, break the box covering a hidden vent. Crawl in, swap to Catwoman’s Call Kitty to fit through the smaller duct, then press the button to lift the shutter. Push the cart forward to collect the third WayneTech Cache.
Pets Store and Feline Red Brick puzzle
Progress until the path forward seals off and you arrive in the multi-store courtyard. Three storefronts surround you: a red Shreck’s sign in the center, a blue Pets sign, and a green Gadgets sign.
Face the Pets Store and use Catwoman’s Whip on the rolling shutters to open them. Walk in and use Batman’s Batclaw on the suspended container to pull down the fourth WayneTech Cache.
Face the Pets Store and use Catwoman’s Whip on the rolling shutters to open them | Image credit: Warner Bros. Games, Warner Bros. Interactive Entertainment (via YouTube/@Gamerpillar)
Step on the directional arrows to steer the green cat sprite through the maze. The orange dog only patrols vertically, so time your moves through its lane. Reach the red square in the bottom-right to break the TV.
Step on the directional arrows to steer the green cat sprite through the maze | Image credit: Warner Bros. Games, Warner Bros. Interactive Entertainment (via YouTube/@Gamerpillar)
Pick up the Feline Red Brick that drops from the destroyed screen.
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The Feline modifier recolors suits and vehicles in off-white with dark grey accents. Apply it from the character menu under Suit Options, then Red Brick Options.
Final stretch: Sports Goods, Music Store, and Shreck’s sign
Move into the next large arena and defeat the wave of enemies, which includes giant Brutes. Once the room clears, head to the back-right corner where the Sports Goods Store sits. The fourth Cat Head rests above the storefront and can be knocked down with a thrown gadget.
Jump across the oversized piano keys in the exact order shown during the cutscene. Completing the tune pulls back the curtain at the rear and exposes the fifth WayneTech Cache.
Continue to the final segment where the objective asks you to build something in the center of the room. Before assembling the pile, turn around and look up toward the Shreck’s sign. The fifth and final Cat Head sits in a small alcove above the doorway you came through.
The fifth and final Cat Head sits in a small alcove above the doorway you came through | Image credit: Warner Bros. Games, Warner Bros. Interactive Entertainment (via YouTube/@Gamerpillar)
Mission completion rewards
Reward
Unlock condition
What it does
Cat Head Batcave Trophy
Collect all 5 Cat Heads
Displays the Cat Head decoration in the Batcave
WayneTech Chips
Open all 5 WayneTech Caches
Spend on character upgrades and ability points
Feline Red Brick
Solve the Gadgets Store TV maze
Unlocks the white/grey color palette for suits and vehicles
If any collectible was missed on the first run, replay Mimes from the Batcave’s mission terminal in Free Play. Free Play lets you swap to any unlocked character, which matters less here since Batman and Catwoman cover every requirement, but it does let you return after acquiring upgrades that speed up traversal.
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Verification: The pause menu’s collectibles tracker shows 5/5 Cat Heads, 5/5 WayneTech Caches, and 1/1 Red Brick for the Mimes mission when complete. The Feline palette will then appear inside the Red Brick Options submenu for every character.