"Speedball is a video game series based on a violent futuristic cyberpunk sport that draws on elements of handball and ice hockey, and rewards violent play as well as goals. Three games were developed by the Bitmap Brothers, and a fourth by Kylotonn. The games were released on a variety of different formats from 1988 to 2007.
The game is played by two teams on an enclosed court with a goal at each end, similar to that of ice hockey or five-a-side football. The court contains elements that affect gameplay, such as score multipliers and power ups. Points are scored by successfully getting the ball into the goal, and also by injuring opposition players. The team that has amassed the most points at the end of the game is the winner."
Source: Wikipedia, "Speedball_(video_game)", available under the CC-BY-SA License.