1. Indoor Soccer

2. Equipment
Tennis shoes
Shin guards
Goalie gloves
Soccer ball
Goal

3. Rules (The Laws of The Game as issued by FIFA)
During indoor soccer you may only throw the ball if you’re the goalie. You are not allowed to kick or punt it.
Only 11 players are allowed on each team
Only three guest players are allowed
All professional games are 24 minutes long. If there are any serious injures there will be no overtime.

4. Rules (count.) To score you must kick the ball into the opponents goal
Kicking the ball above the field of play or hitting the ceiling results in a one minute penalty
The one with the most points after the game wins

5. Characteristics
Indoor soccer is surrounded by a wall, resembling more of a hockey rink
Indoor soccer is most common in the United States and Canada
Indoor soccer is known as showbol in Brazil

6. Characteristics(count.)
In the American continent fields are covered in artificial turf
In many colligate leagues it is played on a basketball court
Indoor soccer field is 200 by 85, the regulation size for a hockey rink in North America

7. Characteristics(count.)
In indoor soccer you are allowed to play the ball off the wall
There is no offside rule in indoor soccer
On hardwood they play with a ball covered in suede or other non-marking covering

8. Compare
Players cannot touch the ball with there hands on both indoor soccer and outdoor
Use a soccer ball

9. Contrast
Indoor soccer plays without offsides. Outdoor soccer plays with it
Indoor soccer fields are smaller
Outdoor soccer is bigger

10. Sources http://www.mccc.edu/pdf/IndoorSoccerRules.pdf