Two star
- Power Strings
- All in All
- Power Crisis
- Uncompress
- Correct Move
- Divisors
- Interpreting Control Sequences
- Big Mod
- Intersecting Lines
- Equation Elation
- Prime Cuts
- Fibonacci Freeze
- Rails
- Prime Land
- Frogger
- Tree Recovery
- Team Queue
- Oil Deposits
- DNA Sorting
- The die is cast
- Coin Change
- Dropping Balls
- Goldbach’s Conjecture (II)
- How Many Knights
- Lakes
- Exponentiation
- Page Hopping
- Brick Wall Patterns
- Spreading The News
- Circular
- Safe Salutations
- Product of digits
- Show the Sequence
- A DP Problem
- Sum of Consecutive Prime Numbers
- Password
- Prime Gap
- Sum of MSLCM
- Need for Speed
- Garden of Eden
- Center of Masses
- Bicoloring
- Carmichael Numbers
- All Roads Lead Where?
- Where’s Waldorf?
- Super long sums
- Simple calculations
- Joseph’s Cousin
- Flip-Flop the Squarelotron
- The Never Ending Towers of Hanoi
- Minimal Coverage
- Fast Page Rank
One star
- The 3n + 1 problem
- Mutant Flatworld Expolrers
- TeX Quotes
- Train Swapping
- Rotating Sentences
- Fibonaccimal Base
- What’s Cryptanalysis
- Funny Encryption Method
- Primary Arithmetic
- Jolly Jumpers
- Vito’s family
- Hartals
- Hashmat the Brave Warrior
- What is the Probability?
- A mid-summer nights dream
- Tell me the frequencies!
- Back to High School Physics
- Bangla Numbers
- The Hotel with Infinite Rooms
- Minesweeper
- Divide, But Not Quite Conquer!
- All You Need Is Love
- Decode the Mad man
- Hardwood species
- Simply Emirp
- Fourth Point!!
- Common Permutation
- 498-bis
- Die Game
- Eb Alto Saxophone Player
- List of Conquests
- Odd Sum
- Beat the Spread!
- Largest Squares
- 2 the 9s
- You can say 11
- Parity
- B2-Sequence
- Cola
- Sort! Sort!! and Sort!!!
- Summing Digits
- Symmetric Matrix
- GCD
- Square Numbers
- Doom’s Day Algorithm
- An Easy Problem!
- Satellites
- Can You Solve It?
- Cheapest Base