A Letter Sequence
O T T F F S... What is the next letter?
Hint: Try to connect this to a sequence of numbers.
Solution: Each letter is the first letter of the basic numbers. One, Two, Three, Four, Five, Six...so the next letter is S for Seven.
Games

Pac-Man Made Easy
Because being chased by ghosts is way too hard.

The World's Easiest Game 2
As a follow up to the original World's Easiest Game, we've removed all the enemies from the newer version.

Do Not Press
Whatever you do, you must not press the red button.

Hold the Button
Press and hold the button for a long as you can endure. You might even get on the leaderboard!
Puzzles
Toothpick Equality
Add a single toothpick to form a mathematically true equality.
Doorways
Travel through all the doorways exactly once.
Toothpick Squares
Move two toothpicks to form exactly four squares instead of five.
Connect the Dots
Draw four straight lines, without lifting your imaginary pencil, that touch all nine dots in the grid.