Navigate a maze which the defuser sees in a first-person perspective. Identify the correct maze by finding letters on the floor.

Find out which letters to select based on which of them are adjacent to each other.

Use fantasy adventure-themed items and weapons against an enemy according to parameters listed on the module.

Figure out the solution to three increasingly difficult equations using edgework and algebra.

Press four lettered keys in the correct order.

Find another word consisting of the same letters as a given word.

Answer confusing questions about the bomb or your previous answers.

Determine an omen score from an element, planet and zodiac symbol.

Use the colors of the background and the button to determine what number to submit.

Given the clues, deduce the locations of battleships in a grid.

Press the correct sequence of colors while the circle is spinning.

Observe a fast-changing row of LEDs and cut a wire at the right time.

Press the right button based on the pixels in an 8×8 bitmap.

Combine pieces of bomb information with boolean operators.

Press invisible areas on this completely blank module.

Navigate through a maze that cannot be seen by the defuser.

Press the correct areas in a Venn diagram in which a given boolean expression is true.

Feel the Braille dots on the module, fix it by adding/removing raised dots, then decode the message.

Evaluate rules against these buttons that change their text when pressed.

Follow a sequence of instructions to unscrew/screw a bulb.

Input an 8-digit code within 15 seconds.

Press or hold this button at the right time based on its color and label.

Press the button a specific number of times quickly.

Press or hold buttons in four stages of this module where the expert must keep track of the number of buttons of each color seen so far.

Translate a five-letter message by shifting the letters in the alphabet.

Hold the lever down to discharge the capaciter before it blows.

Calculate the amount due for a list of grocery shopping items and return the correct change.

Find out which square on a 6×6 chess board is not attacked by any piece.

Interpret the musical chord from the module and enter a new one.

Set the clock to the right time based on its color and shape.

Based on a grid of colors figure out which rows and columns need to be selected.

Constant back and forth to light up these 16 colored squares in the correct order.

Toggle the switches to reach the required configuration, but the valid transitions depend on the switches’ colors.

Shows various color words in different colors (Stroop effect).

Input a combination of red, green and blue to solve the module.

Translate colors into numbers, make a calculation, then translate back into colors.

Figure out the answer to a math expression using Morse code and colored lights.

Turn the dial left and right the correct number of times based on edgework.

Press up to three buttons in the correct order according to rules laid out in a Venn diagram.

Cut one or more wires according to rules laid out in a Venn diagram.

Determine the presence or absence of connections between nodes in a graph structure.

Input the correct settings for the oven to cook a lovely meal for your friend.

Find out which of the provided coordinates, written in different coordinate systems, refer to the same location in a grid.

Flip a switch at the right time according to a confusingly ambiguous phrase.

Combine elements to create life-forms, but observe the weather conditions.

Play the 12 notes of an octave in a specific order based on the music symbols provided.

Find a sentence in Charles Dickens’s “A Christmas Carol” from a scrambled clue.

Find a combination of schedules for several classes without creating a conflict.

Navigate to the center of the grid while the number display glitches out and the buttons have their functions randomly reordered.

Answer questions about the edgework on the bomb.

Decrypt a math problem encoded in emoji shapes.

An indicator encrypted with symbols.

Fill in the blanks in given example sentences in a way that satisfies even the strictest English teacher.

Enter a code in binary, octal, decimal or hexadecimal.

Use the ticket serial number to fill in the correct details for your European rail journey.

Spell a word by setting each of six letter slots to the correct position.

Perform two-digit additions or subtractions under tight time pressure.

Figure out which of two “PUSH ME!” buttons is the correct one, then use the colors of the background and the correct button to determine what number to submit.

Enter a short, well-known festive melody.

Keep talking.

Alter the digits of three 7-digit numbers and determine the divisibility of the result.

Identify countries by their flags and sort them according to a specific criterion such as currency or capital city.

Cut wires according to rules that refer to the previous wires.

Figure out the font and the phrase to solve the module.

Look up the live exchange rate between two currencies and convert the stated amount.

Keep track of information given by the module which changes after a module is solved and use that to figure out the final 10 digit answer.

Take note of a single-digit number after every module solved, then enter a calculated code after all other modules are solved.

Select one of the provided harmonious elements of friendship based on the symbols displayed and their relative arrangement. Inspired by the cartoon TV show, “My Little Pony: Friendship is Magic”.

Apply the rules of the cellular automaton commonly known as “Conway’s Game of Life”.

Apply the rules of the cellular automaton commonly known as “Conway’s Game of Life”, but with extra complications involving colors.

Check the numbers displayed and enter a cheat code on a video game console controller.

Constant back and forth to fill a 4×4 grid until gridlock occurs.

Find which 4×4 pattern exists in a 6×6 grid of LEDs.

Navigate out of this hexagonal maze. Find the correct maze by matching up provided markings, but the maze may be rotated.

Convert hexadecimal numbers to decimal.

Respond to an HTTP error description with a numerical code.

Based on MBTI personality type, decide which employee to fire and which applicant to hire.

Find out the correct cave painting pictograms that get increasingly more restrictive across four stages.

Sell the appropriate flavors of ice cream while avoiding triggering your customers’ allergies.

Work out the guilty suspect from a list of given character traits.

Solve four apps to obtain four PIN digits before inputting the PIN to reset the phone.

Determine which song the displayed lyrics are from and put them in the correct order.

Press the four provided strange symbols in the correct order.

Turn the knob to the correct orientation before the time runs out.

Program this coin-operated laundry machine to perform the correct washing, drying, ironing and special instructions.

Determine which letters match up in pairs. Potentially involves multiplying two-digit numbers under modulo 26.

Press four buttons in the correct order in response to an array of LEDs of various colors.

Build the correct structure out of plastic bricks.

Press one of the four buttons based on the two-digit number in the display.

Reorder the provided six colors and push the single button at the right time to enter the new sequence.

Turn all the lights out in this logic puzzle where only several lights in a specific pattern can be switched.

Identify a sound played from a tape deck. Requires audio.

Evaluate two boolean expressions involving operators and variables whose values are determined by edgework.

Figure out the output of some unlabeled logic gates.

Figure out a valid route between two London destinations using the Underground map.

Find the godfather of the mafia and hang them.

Figure out information about a car before determining what maintenance is required.

Solve the math problem and press the “Push!” button that many times.

Find the secret color code from straightforward clues obtained by iteratively querying the module.

Find the secret color code from obfuscated clues obtained by iteratively querying the module.

Perform two-digit calculations quickly.

Navigate from one location to another in a 6×6 square maze.

Five stages of pressing a number, but the answer depends on previously pressed numbers or their positions on the module.

Associate every pin of a microchip with a color and enter them in the order mandated by the module.

Dig up the 8×10 field and use the clues to avoid stepping on a mine.

Decrypt a series of words encrypted using the Caesar cipher by determining the offset from edgework, number of strikes, and previous words.

Identify which modules the cryptic clues on the cards refer to, then select the correct cards.

Identify an enemy from a picture, then determine which of the four move options deals the most damage against it.

Identify the value of a trading card and decide whether to trade it or keep it.

Calculate and input the correct sequence of moon pieces.

Navigate the indicator light around an invisible maze using Morse code indicated by the indicator light

Decode a word shown as a sequence of short and long flashes of an LED.

Decode letters shown as sequences of short and long flashes and perform awkward calculations. Respond by transmitting the answer in the same code.

Figure out the correct moves and fatality to perform in response to your character, your opponent and edgework.

Avoid rotating the bomb too often or too quickly.

Navigate a maze which the defuser sees in a first-person perspective. Find the center of the maze, then find the correct exit.

A combination of batteries, indicators, two-factor, and ports all in one.

Deduce which of the suspects committed a murder, with which weapon and in which room. All you know is where the body was found. Inspired by the board game, “Cluedo”.

Solve a 3×3 sliding puzzle, but avoid uncovering the skull before you find the knight.

Determine the correct chemical base to neutralize an acid.

Solve a traditional pen-and-paper logic puzzle involving filling in a black-and-white bitmap.

Input the correct sequence depending on the location of the numbers and the condition of the edgework.

Enter the correct 4-digit code based on the colors of the number buttons.

Round one: determine the correct Egyptian Hieroglyph given edgework and a team name. Round two: find groups of accented letters from foreign languages. Inspired by the BBC quiz show, “Only Connect”.

Rotate a cube in 3D space in such a way that a specific faces moves to a specific new location.

Fill in a painting on a module except that you're also color blind.

Spell a word by setting each of five letter slots to the correct position.

Cut one or more wires according to elaborate rules laid out in a five-way Venn diagram.

Look at this module from different angles to see the colors on the sides.

Enter a short, well-known melody.

Use 5 digits of π to figure out which order to press them in.

Decrypt a message using the Playfair cipher

Connect specific locations with a contiguous set of pipes with no leaks.

Find the best words to use in a poem for your girlfriend.

Within a tight time constraint, play a valid card according to certain rules that apply to the cards already present. Inspired by the card game, “Mao”.

Figure out your poker hand and determine what you should respond to your opponent with.

Navigate a maze on the surface of a three-dimensional solid.

Press the button “X” or “Y” at a specific time.

Determine the frequencies of current flowing through six wires, then connect the correct wires.

Scan a QR code on the module and enter the code.

Control the temperature of a radiator by inputting the temperature and the amount of water on the module.

Generate random numbers until you hit one that satisfies specific conditions.

Go through a table of conditions relating to button colors and labels to determine the correct button to press within 35 seconds.

Periodically refill the beer stein lest you run out of your daily dose of booze.

Complete an electrical circuit involving resistors to achieve a specific target resistance.

Recognize a rhythm in which an LED is flashing, then press buttons for the correct duration.

Find out which icon the bomb is playing and press all the icons that beat it. Inspired by the party game, “Rock-Paper-Scissors-Lizard-Spock”, as mentioned on “The Big Bang Theory”.

Repeated three-digit addition that requires an expert to keep track of the previous result.

Find the module’s symbols in the manual, then press all the symbols that aren’t in the correct column.

Solve a Rubik’s Clock (mechanical puzzle). It can be solved by the defuser like a real Rubik’s Clock, or using instructions deduced by the expert from the manual.

Solve a popular three-dimensional rotation puzzle. The moves necessary to solve it can be obtained by following rules in the manual.

Set all six dials to the correct location by listening to the click sound made when twisting them. Requires audio.

Insert a screw into the correct hole and press the correct button in three stages.

Press buttons labeled with similar-sounding words that try to twist your tongue.

Decipher the flag signals for letters and numbers used in naval communication.

Find a set of three symbols according to rules inspired by the card game Set.

Remember the previous shape to refill the needy timer as it ticks down.

Start with a shape and follow questions in a flow chart until you arrive at a solution shape.

Depending on the colors and shapes on the slot machine, decide whether to pull the lever or keep the slots.

Repeat the flashing color sequence as it increases in length, but replace the colors with others.

Work out which rule applies to the sequence of flashing colors and respond with a color sequence in three stages.

Examine the flashing colors and respond with a sequence of colors that increases in length.

Press Hot and Cold buttons in a sequence based on information about the module and the bomb.

Obtain a 3-digit code from a given 3-digit code using awkward mathematical rules and edgework.

Discern the correct image for each category (race, enemy, weapon, city and dragon shout) in this Skyrim-themed module.

Figure out which button to push on a Sonic-themed game controller in response to a series of sounds and pictures.

Answer questions about some of the other modules on the same bomb which you already solved. Requires keeping more notes than usual.

Press or hold this button at the right time based on its color and label according to awkward rules.

Run the stopwatch for the correct amount of time.

Calculate and input the correct sequence of sun pieces.

Determine the truth values of boolean variables in a system of equations.

Enter the code while keeping track of the resets. Use the number of resets to calculate the disarm code.

Toggle the switches into a desired target state while avoiding invalid states.

Take note of the symbols that are cycling on the screens, flip a switch, then reconstruct what the symbols would have been at a specific cycle.

Convert LEDs and Symbols to determine which coordinates to input.

Bring the six symbols into the correct order by cycling them horizontally and vertically.

Reconstruct the circuitry inside a microchip by assembling pieces from the traditional Chinese shape puzzle, Tangram.

Place Tetris pieces on the board without getting yourself walled in.

Follow rules based on edgework and the displayed letter to determine which of the 12 buttons to press.

In this upside-down module, the buttons are all labeled with combinations of letters and numbers that read differently when upside-down.

Place Xs and Os in a 3×3 grid, but avoid completing a line of three.

Convert a given time from one timezone to another.

Turn the key when the bomb shows a specific time. Unsolvable once the time has passed.

Solve specific modules first, then turn the keys before solving the rest.

Obtain a two-letter code and repeatedly query the module until you arrive at the solution code.

Generates a random six-digit code every 60 seconds.

Answer yes/no questions on whether to vent gas or detonate the bomb.

Press all the indicated buttons on the module without seeing them correctly.

Manage waste by recycling or wasting based on material and edgework.

Accept, Consider or Reject the CSS code shown on the module.

Read or press a series of buttons labeled with words that can be mistaken for instructions or inqueries.

Identify a creature displayed only as a silhouette.

Set three dials to a correct configuration, then cut the wire at a specific time.

Cut wires depending on their color and location.

Cut the correct wire based on the number and colors of wires present.

Cut wires in four stages of this module where the expert must keep track of the number of wires of each color seen so far.

Unscramble a six-letter word.

Find a word that is hidden in a 6×6 jungle of letters backwards, forwards or diagonally, while avoiding the many decoy words also present in the grid.

Reconstruct symbols displayed only as a thin line that scans the symbol from top to bottom.

Repeatedly roll the dice until a five-of-a-kind is achieved while avoiding certain invalid states.

Find five animals in the manual and press them on the module in the correct order within a 6-second time limit.