Three "Errers"
"There is three errers in this sentence." Can you find them?
Hint: Only two of the errors are grammatical.
Solution: The first error is the word "is" instead of "are." The second error is that "error" is misspelled. The third is that there are only two errors.
Games

Word Magnets
Just like word magnets you might find on a fridge, but online!

The World's Easiest Game
Because the world's hardest game is way too hard.

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

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.
Puzzles
Doorways
Travel through all the doorways exactly once.
Toothpick Equality
Add a single toothpick to form a mathematically true equality.
Toothpick Squares
Move two toothpicks to form exactly four squares instead of five.
Connect the Colors
Connect the colors without crossing lines.