STFS is a simple puzzle game where you match similar numbers. the puzzle has 3 categories.
In Three Category, you can combine ones and twos and threes and threes but not twos and twos nor twos and threes.
In Five Category, you can combine twos and threes, but not twos and twos, or threes and threes.
In Seven Category, you can combine threes and fours, but not threes and threes, or fours and fours.
- Quickly and easily share your high score screenshot with friends
- Unlock many different achievements in each categories.
- Randomize the next piece.