HOOPSIM
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The engine

Every possession, played out.

You used to read the box score over breakfast. This one was played, possession by possession, by HoopSim's basketball simulation engine, with the roster you built and the plan you drew up.

Play Now →
The gameA free basketball GM sim in your browser. You run one of 30 pro clubs.
The leagueThe other 29 are AI GMs, your friends, or both.
The priceFree to play. First season free; the next is earned with points or a season pass.
The appNo app store. Get it on your phone →
One possession, itemisedCorner three · Q4 · 1:09
S D 4 ft
Shooter vs. assigned defenderratings
Closeout distancecontested
Spot on the floorcorner
Fatigue, both playerslate Q4
Game clock and scoreclutch

How a possession is simulated.

Every shot has a reason: who takes it, who closes out, from how far, from which spot, how tired they both are. The ratings set the odds, then the ball goes up.

Fatigue, foul trouble, injuries, hot hands, 2-for-1s and home court are all in there. Game day rules

What you control@ Boston

The whiteboard is yours.

Offense@ Boston
Pacefast · 7
Three-point usehigh · 6
Crash boardslow · 4
Defense
Primary
ManZoneHelpTrap

Split 240 minutes across the rotation. Pick the five who close. Draw up a different plan for every opponent. Depth chart · Game plan

Tuned to real pro basketballVol. 1

From ratings to a box score.

91%near the real league · 22 checks
12 on target · 8 close · 2 in the lab
Shooting %HoopSimReal
Field goal46.646.7
Three-point36.336.0
Free throw79.078.0
How we check the numbers →
The box scoreFinal · OT

Watch it back in Court View.

Every game leaves a full box score and play-by-play, and replays in 3D on the Court View. In leagues that switch on 1 on 1, you call the plays yourself, possession by possession, against a friend.

A HoopSim box score on a phone: final in overtime, Jazz 129, Timberwolves 119