When Sandwiches Come A Knockin' is a food truck and sandwich delivery event in the Zenless Zone Zero (ZZZ). See all the When Sandwiches Come A Knockin's available information, all the possible rewards, and its release date here!

When Sandwiches Come A Knockin' Event Information

When Sandwiches Come A Knockin' Event Details

Event Start	December 04, 2024
Event End	December 16, 2024
How to Unlock	Reach Inter-Knot Level 30 Reach When Sandwiches Come A Knockin in Main Story Chapter 2 Interlude
Rewards

The When Sandwiches Come A Knockin' is a food truck and sandwich delivery event where you can help set up a food truck in Lumina Square and deliver sandwiches to VIP customers in exchange for reviews and rewards!

Other Events and Schedule

When Sandwiches Come a Knockin' Event Schedule

Sandwich Event Stages and Unlock

Unlock	Stage Details
Dec. 04, 2024	Day 1: Food Truck Shift Order Objective: • Place an order for Zhu Yuan - the first lucky customer
Dec. 05, 2024	Day 2: A Shared Song Order Objective: • Place an order for the lucky customer - Tarshi
Dec. 06, 2024	Day 3: Afternoon Tea on the Terrace Order Objective: • Place an order for the lucky customer - Ellen
Dec. 07, 2024	Day 4: Picky Foodie Order Objective: • Place an order for the lucky customer - Orlenda
Dec. 08, 2024	Day 5: Encounter with a "Big Shot" Order Objective: • Place an order for the lucky customer - Soukaku

Click on the links on the table to jump to a guide!

When Sandwiches Comes a Knockin' Day 1 Guide

Circuit Puzzle
Zhu Yuan's Lcoation

The objective for Day 1 is to take Zhu Yuan's order and deliver it to her at the New Eridu Public Security at Lumina Square. Once the order is complete, repair One-Dennyboo by fixing its circuits before heading out.

Afterwards, take a photo of Zhu Yuan, Seth, and One-Dennyboo for the review before returning to the food truck.

Return to All Stages ▲

When Sandwiches Comes a Knockin' Day 2 Guide

Signal Calibration Puzzle
Tarshi's Location

The objective for Day 2 is to take Tarshi's order and deliver it to him near the playground at Lumina Square. Once the order is complete, repair Look Away the Bangboo by completing the signal calibration puzzle.

Afterward, take a photo of Tarshi and Look Away for the review before returning to the food truck.

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When Sandwiches Comes a Knockin' Day 3 Guide

Circuit Puzzle
Ellen's Location

The objective for Day 3 is to take Ellen's order and deliver it to her on the second floor of Coff Cafe at Lumina Square. Once the order is complete, repair One-Dennyboo by completing the circuit puzzle.

Afterward, take a photo of One-Dennyboo with Ellen and Monna for review before returning to the food truck.

Return to All Stages ▲

When Sandwiches Comes a Knockin' Day 4 Guide

Signal Calibration Puzzle
Orlenda's Location

The objective for Day 4 is to take Orlenda's order and deliver it near the Metro Station at Lumina Square. Once the order is complete, repair Look Away the Bangboo by completing the signal calibration puzzle.

Afterward, take a photo of Look Away with Orlenda for review before returning to the food truck.

Return to All Stages ▲

When Sandwiches Comes a Knockin' Day 5 Guide

Circuit Puzzle
Soukaku's Location

The objective for Day 5 is to take Soukaku's order and deliver it to her at Scott Outpost. Once the order is complete, repair One-Dennyboo by fixing its circuits before heading to Scott Outpost.

Afterward, take a photo of Soukaku, Harumasa, Miyabi, and One-Dennyboo for the review before returning to the food truck.

Return to All Stages ▲

When Sandwiches Comes a Knockin' Orders Guide

All Orders Guide and Answers

Order	Menu Guide and Answers
Day 1: Zhu Yuan's Order	1) Question: What was the first item Zhu Yuan ordered? 1) Answer: Beef and Cheese Sandwich 2) Question: What was the second item Zhu Yuan ordered? 2) Answer: Sausage Sandwich 3) Question: What was the third item Zhu Yuan ordered? 3) Answer: Milk 4) Question: What was the fourth item Zhu Yuan ordered? 4) Answer: Lemon Tea
Day 2: Tarshi's Order	1) Question: What was the first item Tarshi ordered? 1) Answer: Avocado Chicken Sandwich 2) Question: What was the second item Tarshi ordered? 2) Answer: Cheese Fried Dumplings 3) Question: What was the third item Tarshi ordered? 3) Answer: Lemon Tea
Day 3: Ellen's Order	1) Question: What was the first item Ellen ordered? 1) Answer: Guacamole Hot Dog 2) Question: What was the second item Ellen ordered? 2) Answer: Vegetarian Sandwich 3) Question: What was the third item Ellen ordered? 3) Answer: Bangboo Potato Wedges 4) Question: What was the fourth item Ellen ordered? 4) Answer: Soda
Day 4: Orlenda's Order	1) Question: What was the first item Orlenda ordered? 1) Answer: Beef and Cheese Sandwich 2) Question: What was the second item Orlenda ordered? 2) Answer: Fish Hot Dog with Pineapple 3) Question: What was the third item Orlenda ordered? 3) Answer: Buttered Cheese Corn Cup
Day 5: Soukaku's Order	1) Question: What was the first item Soukaku ordered? 1) Answer: Spicy Beef Hotdog 2) Question: What was the second item Soukaku ordered? 2) Answer: Cheese Fried Dumplings 3) Question: What was the third item Soukaku ordered? 3) Answer: Fish Hotdog with Pineapple 4) Question: What was the fourth item Soukaku ordered? 4) Answer: Bangboo Potato Wedges

Return to All Stages ▲

How to Play When Sandwiches Come A Knockin'

When Sandwiches Come A Knockin'Event Guide

1. Collect Orders for the Chef Bangboo
2. Complete Puzzles to Set Delivery Route
3. Take a Group Photo

Collect Orders for the Chef Bangboo

Each day, visit Chef Bangboo at the food truck in Lumina Square and collect orders for the selected lucky customers.

Relay the customer's order to the Chef Bangboo so it could prepare the order for delivery.

Complete Puzzles to Set Delivery Route

Once the order is completed, set the delivery route for the delivery bangboo by completing a circuit or signal calibration puzzle. Afterward, deliver the order with the Bangboo.

Take a Group Photo

After delivering the order, take a group photo of the customer with the delivery bangboo for the food truck's review.

When Sandwiches Come A Knockin' Event Rewards

All When Sandwiches Come A Knockin' Rewards

All Event Rewards
Polychrome x300	Boopon x5	Senior Investigator Log x10
W-Engine Energy Module x10	Bangboo System Widget x10	Denny x150000

Here are all the rewards for the When Sandwiches Come A Knockin' event when you collect all 5 customer reviews for Chef Bangboo!

Battle Pass Rewards

Requirements	Rewards
Get 5 reviews from 5 lucky customers in the event "When Sandwiches Come a Knockin'"	x1600

Collect all 5 reviews from the customers in the event to get 1,600 City Fund EXP to level up your Battle Pass for more rewards!

New Eridu City Fund Battle Pass Guide

Zenless Zone Zero Related Guides

All Events and Schedule

Ongoing Events

Event Guide	Event Duration
Special Visitor	12/18/2024 - End of 1.5
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All-New Program	12/18/2024 - 01/21/2025
Into That Pale Wasteland	12/18/2024 - 01/21/2025

Past Events

Event Guide	Event Duration
141 Exclusive Bazaar	08/02/2024 - 08/12/2024
141 Friendship Fair	10/27/2024 - 11/04/2024
Camelia Golden Week	08/21/2024 - 09/23/2024
Coffee Sorcery: Combat Simulation	09/04/2024 - 09/09/2024
Coffee Sorcery: Tuning	09/18/2024 - 09/23/2024
Cunning Generosity	07/04/2024 - 08/13/2024
Daily Life of a Pubsec Officer Event	08/30/2024 - 09/09/2024
DIY Bangboo Fan Art Contest	07/15/2024 - 07/28/2024
Don't Get Greedy	07/19/2024 - 07/26/2024
Don't Walk Alone	09/30/2024 - 10/14/2024
En-Nah Assistant Program	11/16/2024 - 12/02/2024
Facebook Group Prize Event	07/06/2024 - 07/13/2024
First Class Customer Service	08/16/2024 - 08/26/2024
Friendship Supervision	07/15/2024 - 08/05/2024
Golden Bangboo, I Got You! Prize Event	07/04/2024 - 07/11/2024
Help Kai	12/02/2024 - 12/16/2024
Immersive Tactical Drill	09/06/2024 - 09/16/2024
Masterful Masterpiece	07/24/2024 - 07/31/2024
Mystery of Arpeggio Fault	11/06/2024 - 12/17/2024
New City Visitor's Passport	07/04/2024 - 08/13/2024

Permanent Events

Event Guide	How To Unlock/Rewards
Road to Proxy Greatness	Reach Inter-Knot Level 8. Master Tapes Boopons Polychromes
Rookie on the Road	Reach Inter-Knot Level 8. Demara Battery Mark II Starlight Engine Bagboo Slice of Time Ben

All Web Events

List of Web Events