RULES

Games are played on a half-court.

Standard two- and three-point shots apply; the three-point line is the same distance as in the NBA.

There are also three "four-point zones" on a circle 30 feet away from the basket. One is on the midline of the court; the other two are 40 degrees away from the midline. To score four points, a player's foot must be touching some part of the circle.

Instead of a jump ball to start the game, the "home" team inbounds first. The home team is determined by a do-or-die 4-point shootout.
The shot clock runs 14 seconds.

Additional free throw taken if a player is fouled while making a shot

A shooting foul will receive one shot for the number of attempt point attempt (2, 3, 4 points, so if you are foul behind the three-point line, that free throw is worth 3 points.) AND-1 shots applies on every made basket after shooting fouls.

All fouls are ascribed to the team; players cannot foul out. After the fifth team foul in each half, opponents are guaranteed two one-point free throws and possession of the ball.
A team's first technical foul results in one two-point free throw and possession. Additional technical fouls, as well as all flagrant fouls, result in two two-point free throws and possession.

To win, a team must score 50 or more points and lead by at least two points.
Halftime happens after one team reaches 25 points.
Each team receives two timeouts—a 60-second and a 30-second—per half. Unused timeouts do not carry over.
Substitutions can be made on a dead ball or by calling a timeout.

After a score, a referee must touch the ball. After giving the defense :03 seconds to set, the opposing team must take the ball beyond the top out of bounds line. Player has :05 seconds to return ball inbounds

Defensive rebounds must be cleared if the ball touched the rim. If the ball did not touch the rim, defensive rebounds do not need to be cleared.
Steals do not have to be cleared.

The ball is cleared when the player with the ball establishes both feet behind the 3-point line. The ball can be cleared by dribbling or passing
The defensive rebounder that makes a direct pass that clears the ball, must clear the lane and re-establish himself before his team's shot or pass hits the rim

If a shot or pass hits the rim without being cleared it will result in a turnover

Once a team has cleared the ball and establishes itself on offense, the normal "3 seconds in the key" rule applies

There is no defensive "3-second" rule

Instant replay applies and can be used to determine 3 and 4-point shots, out-of-bounds, flagrant fouls, goaltending, basket interference and clearance.

All defensive strategies allowed, including hand-checking, which is banned in NBA.