- CCC '08 J2 - Do the Shuffle
- CCC '08 J4 - From Prefix to Postfix
- CCC '08 S3 - Maze
- CCC '08 S5 - Nukit
- CCC '09 S1 - Cool Numbers
- CCC '09 S2 - Lights Going On and Off
- CCC '09 S3 - Degrees Of Separation
- CCC '09 S4 - Shop and Ship
- CCC '11 J1 - Which Alien?
- CCC '11 J2 - Who Has Seen The Wind
- CCC '11 J3 - Sumac Sequences
- CCC '11 J4 - Boring Business
- CCC '11 J5 - Unfriend
- CCC '11 S3 - Alice Through the Looking Glass
- CCC '12 J1 - Speed fines are not fine!
- CCC '12 J2 - Sounds fishy!
- CCC '12 J3 - Icon Scaling
- CCC '12 J4 - Big Bang Secrets
- CCC '12 S1 - Don't pass me the ball!
- CCC '12 S2 - Aromatic Numbers
- CCC '12 S3 - Absolutely Acidic
- CCC '13 J1 - Next in line
- CCC '13 J2 - Rotating letters
- CCC '13 J4 - Time on task
- CCC '13 S1 - From 1987 to 2013
- CCC '13 S2 - Bridge Transport
- CCC '13 S3 - Chances of Winning
- CCC '13 S4 - Who is Taller?
- CCC '14 J2 - Vote Count
- CCC '14 J3 - Double Dice
- CCC '14 S1 - Party Invitation
- CCC '14 S2 - Assigning Partners
- CCC '14 S3 - The Geneva Confection
- CCC '15 J1 - Special Day
- CCC '15 J2 - Happy or Sad
- CCC '15 J3 - Rövarspråket
- CCC '15 J4 - Wait Time
- CCC '15 J5 - π-day
- CCC '15 S1 - Zero That Out)
- CCC '15 S2 - Jerseys
- CCC '15 S3 - Gates
- CCC '15 S4 - Convex Hull
- CCC '16 J1 - Tournament Selection
- CCC '16 J2 - Magic Squares
- CCC '16 J3 - Hidden Palindrome
- CCC '16 J4 - Arrival Time
- CCC '16 S1 - Ragaman
- CCC '16 S2 - Tandem Bicycle
- CCC '16 S4 - Combining Riceballs
- CCC '17 J1 - Quadrant Selection
- CCC '17 J2 - Shifty Sum
- CCC '17 J3 - Exactly Electrical
- CCC '17 J4 - Favourite Times
- CCC '17 S1 - Sum Game
- CCC '17 S2 - High Tide, Low Tide
- CCC '17 S3 - Nailed It!
- CCC '18 J1 - Telemarketer or not?
- CCC '18 J2 - Occupy parking
- CCC '18 J3 - Are we there yet?
- CCC '18 J5 - Choose your own path
- CCC '18 S1 - Voronoi Villages
- CCC '18 S2 - Sunflowers
- CCC '19 J1 - Winning Score
- CCC '19 J2 - Time to Decompress
- CCC '19 J3 - Cold Compress
- CCC '19 S1 - Flipper
- CCC '19 S2 - Pretty Average Primes
- CCC '20 J1 - Dog Treats
- CCC '20 J2 - Epidemiology
- CCC '20 J3 - Art
- CCC '20 J4 - Cyclic Shifts
- CCC '20 S1 - Surmising a Sprinter's Speed
- CCC '20 S2 - Escape Room
- CCC '21 J1 - Boiling Water
- CCC '21 J2 - Silent Auction
- CCC '21 J3 - Secret Instructions
- CCC '21 J4 - Arranging Books
- CCC '21 S1 - Crazy Fencing
- CCC '21 S2 - Modern Art
- CCC '22 J1 - Cupcake Party
- CCC '22 J2 - Fergusonball Ratings
- CCC '22 J3 - Harp Tuning
- CCC '22 J5 - Square Pool
- CCC '22 S1 - Good Fours and Good Fives
- CCC '22 S2 - Good Groups
- CCC '22 S3 - Good Samples
- CCC '23 J1 - Deliv-e-droid
- CCC '23 J2 - Chili Peppers
- CCC '23 J3 - Special Event
- CCC '23 J5 - CCC Word Hunt
- CCC '23 S1 - Trianglane
- CCC '23 S2 - Symmetric Mountains
- CCC '24 J1 - Conveyor Belt Sushi
- CCC '24 J2 - Dusa And The Yobis
- CCC '24 J3 - Bronze Count
- CCC '24 J4 - Troublesome Keys
- CCC '24 J5 - Harvest Waterloo
- CCC '24 S1 - Hat Circle
- CCC '24 S2 - Heavy-Light Composition
- CCC '24 S3 - Swipe