Once Cassie arrives at the Daycare Theater in Five Nights At Freddy's: Security Breach - Ruin, she puts on the mask and finds herself tumbling down into a massive Endoskeleton. When she takes off the mask at the bottom, she finds herself in the vents above Monty Golf, which eventually leads her to a thrilling ride.
This ride seems to depict the official explanation provided by Management regarding the events involving Glamrock Bonnie in Security Breach. The ride showcases Bonnie giving a bass to Monty and Roxy giving him a stylish new haircut, resulting in his transformation into Glamrock Monty. Further along the ride, Cassie encounters a section with broken tracks and is compelled to escape onto the Catwalks situated above Monty Golf.
The Catwalk Security Nodes
Cassie may have been redirected after leaving the Daycare, but Gregory conveniently has a solution to get her back on track. By disabling the security node and utilizing the track controller, Cassie can utilize the Monty ride as a means to reach the maintenance room. Once players reach the main node by utilizing the mask, they will notice that there are four child nodes scattered throughout the catwalks, which they must locate in order to deactivate the security node. Proceed along the catwalks past the node and while wearing the mask, examine the right side to discover a cannon.
Use the Cannon to strike the floating Monty target, which will then lower a catwalk, thus creating a pathway ahead. Proceed with caution, as there are slimy sections on the Catwalk that may cause Cassie to slide towards the edge. After navigating that corner, head straight to discover an AR Collectible (AR Sun Piñata).
First Child Node
Turn around and execute a running jump in order to return to the walkway. Afterwards, make a right turn and carefully continue along the path (being mindful of the additional slime on the floor at the corner) until you reach what seems to be a dead end. To progress further, put on the mask, which will unveil a hidden passage. Once you have crossed to the other side, remove the mask and take a right turn to discover a slippery pathway leading to a valuable collectible (Comic Page 2). While opening the present, make sure to utilize the handrail to prevent Cassie from sliding off the edge and meeting her demise in Monty Golf.
To proceed, players should retrace their steps and continue straight ahead, passing the concealed bridge before following the green wire on the ground. This will lead to a Camera Station located near an inactive Monty Cannon. Activate the Cannon by wearing the mask and successfully hit all three targets to cause another section of catwalk to descend. Move towards the dead end on the right side of the cannon and utilize the mask to unveil a hidden path, where one of the Child Nodes can be found.
Second Child Node
Backtrack to the Camera Station, and then trace the path of the green wire to return to the opposite side where the recently added segment of the catwalk descended. Traverse the newly added section of the catwalk and follow the path of the yellow wire until you come across a gap. Put on the mask to uncover a pathway across and a peculiar glowing door. Proceed through the door to arrive atop a suspended structure. Continue walking straight ahead to discover another door and step out onto a fresh portion of the catwalks.
Remove the mask and continue following the yellow wire until you come across a Camera Station. Next, put the mask back on and proceed across the wooden board, passing by the Camera Station, in order to locate another security node. Double back and take a left immediately after passing the Camera Station to discover a slippery ramp. To unveil a hidden area, put on the mask again and slide down the ramp to find a door at the bottom. It leads to a peculiar glitchy shrine housing a Wet Floor Bot, which players should deactivate before retracing their steps.
Third Child Node
After passing through the glowing glitch door, continue straight up the staircase and descend on the other side. Take the first left turn available and put on the mask to discover another Monty Cannon. Utilize it to target and shoot all four objectives (fortunately, the ammunition will replenish over time if depleted). Proceed along the path, following the red wire. Instead of following the wire as it turns left towards the Camera Station, head straight ahead to uncover the third Security Node.
Fourth Child Node
Use the mask to uncover a concealed shortcut to the left of the camera station. Proceed by turning right at the path's end and continue straight ahead. By wearing the mask in this area, a pipe with a malfunctioning door is unveiled. Passing through the door will lead to a tediously lengthy catwalk where Cassie will be trapped by the Entity. Fortunately, Helpi and Gregory successfully disrupt its signal and remove it temporarily. Make your way to the end of the catwalk to discover another faulty door and enter a fresh section of catwalks.