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 1 PM	Miami Dolphins @ Indianapolis Colts by 1.5	Indianapolis Colts WIN 22.5-21.3 won 53.21% of sims, average margin of 1.2 Prediction Projected Stats	Indianapolis Colts wins 33-8
9/14/2025 4:05 PM	Denver Broncos @ Indianapolis Colts by 2.5	Indianapolis Colts WIN 16.1-15.5 won 52.89% of sims, average margin of 0.6 Prediction Projected Stats	Indianapolis Colts wins 29-28
9/21/2025 1 PM	Indianapolis Colts @ Tennessee Titans by 4.5	Indianapolis Colts WIN 24.7-12.1 won 83.92% of sims, average margin of 12.6 Prediction Projected Stats	Indianapolis Colts wins 41-20
9/28/2025 4:05 PM	Indianapolis Colts @ Los Angeles Rams by 3.5	Los Angeles Rams WIN 20.9-18.0 won 62.86% of sims, average margin of 2.9 Prediction \| Simulate Projected Stats

Legend/Totals

Correct Picks	3 (100.0%)
Incorrect Picks	0 (0.0%)
Final Margin within 7 Pts	1 (33.3%)
Beat the Spread	2 (66.7%)

NFL Predictions for Week 4

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