HOOPSIM
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How to play HoopSim

The rulebook: how the basketball GM sim works, chapter by chapter. The same pages your coaching staff quotes inside the game, written from the code, so every number is the one the engine uses.

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15 chapters. Start with Game Day if you have a game tonight.

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 →
The rulebook · 15 chaptersScroll to read
Chapter 1 · 8 parts

Game Day

How a game is simulated

Possession by possession · Who shoots, and how open · Fatigue during the game · Fouls, foul trouble and ejections · Timeouts, halftime and crunch time · Overtime and ties · Home court, blowouts and injuries · The box score and play-by-play

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Chapter 2 · 8 parts

Depth Chart & Minutes

Slots, minutes, rotation, fatigue

The 12 slots · The 240-minute budget · DNP, injuries and held slots · Playing out of position · Position conversion · The fatigue battery · Per-game lineups · AI Suggest and empty slots

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Chapter 3 · 7 parts

Game Plan

Offense, defense, rotation, fine print

Offense · Key players and the closing five · Defense · Rotation settings · The fine print (Precision) · Your coach's limits · Opponent plans and AI Suggest

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Chapter 4 · 12 parts

Money

The capologist's manual

Cap lines · Payroll & holds · Exceptions · Bird rights · Re-signing · Options · Restricted FA · Trades · Aprons · Luxury tax · Dead money · In-season FA

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Chapter 5 · 8 parts

Trades

Deals, picks, deadline, AI GMs

Making a trade · Salary matching · Draft picks · Veto window and the deadline · The trade block · Negotiating with AI GMs · Untouchables · Pitches from AI GMs

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Chapter 6 · 8 parts

Free Agency

Bids, rounds, signings, re-signing

How the offseason flows · Making offers · What players care about · Minimum-contract players · Signing during the season · Roster limits · Keeping your own players · Staff free agency

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Chapter 7 · 9 parts

Draft & Scouting

Lottery, draft room, scouting reads

The draft lottery · Draft order and draft night · The draft class · You never see true ratings · Scouting prospects · The public consensus · Scout reports · Medicals · Rookie deals

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Chapter 8 · 8 parts

Growing Players

Development, age, training camp

How players grow · Minutes and role matter · Your coaching staff · The age curve · Potential can change · Training camp · Breakthroughs and setbacks · Position conversion

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Chapter 9 · 9 parts

Chemistry & Morale

Locker room, roles, happiness

Two different things · What makes players happy · Minutes and frustration · Sitting healthy players · What builds chemistry · The trade block · How chemistry shows up in games · The rest of the locker room · The Cohesion Ledger

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Chapter 10 · 7 parts

Players & Makeup

Makeup, interviews, off-court trouble

Makeup grades · Pre-draft interviews · Passing on a meeting · Talking to your players · Off-court trouble · Suspensions · When the agent steps in

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Chapter 11 · 8 parts

Injuries

Injuries, fatigue, Inactive, medicals

How injuries happen · Day-to-day vs. out · Playing through it · The injury limit · Injured players and your depth chart · No stashing healthy players · Medicals · Fatigue is not injury

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Chapter 12 · 8 parts

The Season

Phases, playoffs, awards, offseason

The phases in order · Preseason · Regular season · How the league advances · All-Star weekend · Play-in and playoffs · Awards · The offseason

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Chapter 13 · 8 parts

Points & Side Games

PP, Legacy, cards, Reads, The Show

Participation Points · Boosts: gym time, trivia, today's hand · The ledger and leaderboard · Legacy and levels · Ability cards · Reads with Mo Rollins · The Show · The Messenger and Media

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Chapter 14 · 8 parts

Coaching Staff

Coaches, scouts, hiring, budget

Your staff · Coaching styles and personalities · What a head coach changes · What a scout changes · Hiring, firing and interim coaches · The coaching budget · Staff free agency · The staff room

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Chapter 15 · 8 parts

League Office

Commissioner, settings, AI GMs

The commissioner · Sim settings · Cap settings · Side games and banter switches · Inviting GMs · Solo and multiplayer leagues · AI GMs · Vacation

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Still stuck? The FAQ answers the questions people ask before they sign up, and the glossary explains every cap, draft and sim term in plain English.