How does the NFL Game Simulator work?

The NFL Game Simulator uses play-by-play models and statistical projections to predict outcomes, scores, and player stats for each matchup.

Are NFL predictions updated daily?

Yes. Predictions and player projections update daily with the latest stats, depth charts, and matchup data.

How accurate are the NFL predictions?

Accuracy varies by week and matchup. We publish performance summaries so you can track results over time.

How often are predictions refreshed?

Predictions refresh daily and may update during the day when key injuries or depth chart changes occur.

NFL Predictions for Week 4

Keep an eye on Jordan Mason (Vikings). In this week's simulations, he averaged 103.8 rushing yards per game.
To view all of this week's player projections, you'll need a GameSim+ account.

Odds: Line | O/U

Week 4 NFL Games
Date/Time	Matchup	Prediction	Actual	Result
9/7/2025 4:25 PM	Detroit Lions @ Green Bay Packers by 1.5	Green Bay Packers WIN 23.8-21.4 won 56.28% of sims, average margin of 2.4 Prediction Projected Stats	Green Bay Packers wins 27-13
9/14/2025 1 PM	Chicago Bears @ Detroit Lions by 6.5	Detroit Lions WIN 26.4-21.4 won 61.78% of sims, average margin of 4.9 Prediction Projected Stats	Detroit Lions wins 52-21
9/22/2025 8:15 PM	Detroit Lions @ Baltimore Ravens by 4.5	Baltimore Ravens WIN 25.1-15.7 won 74.50% of sims, average margin of 9.4 Prediction Projected Stats	Detroit Lions wins 38-30
9/28/2025 1 PM	Cleveland Browns @ Detroit Lions by 8.5	Detroit Lions WIN 20.3-12.5 won 72.14% of sims, average margin of 7.8 Prediction \| Simulate Projected Stats

Legend/Totals

Correct Picks	2 (66.7%)
Incorrect Picks	1 (33.3%)
Final Margin within 7 Pts	0 (0.0%)
Beat the Spread	1 (33.3%)

NFL Predictions for Week 4

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