Cutoff Formulas
This page details the formulas/methods used in various games to determine which star rating to award a player.
Needs explanations of how to get base score for guitar/drums, perhaps that deserves its own page?
Guitar Hero
Stub
Guitar Hero 2/80s/3
Stub
Rock Band (original)
Guitar
Formula: cutoff_score = avg_mult * base_score;
- 1 star: avg_mult = 0.21
- 2 stars: avg_mult = 0.46
- 3 stars: avg_mult = 0.77
- 4 stars: avg_mult = 1.85
- 5 stars: avg_mult = 3.08
- gold stars: avg_mult = 4.68
Bass
Formula: cutoff_score = avg_mult * base_score;
- 1 star: avg_mult = 0.32
- 2 stars: avg_mult = 0.69
- 3 stars: avg_mult = 1.15
- 4 stars: avg_mult = 2.77
- 5 stars: avg_mult = 4.62
- gold stars: avg_mult = 7.02
Drums
Formula: cutoff_score = avg_mult * base_score;
- 1 star: avg_mult = 0.21
- 2 stars: avg_mult = 0.46
- 3 stars: avg_mult = 0.77
- 4 stars: avg_mult = 1.85
- 5 stars: avg_mult = 3.08
- gold stars: avg_mult = 4.44
Vocals
Formula: cutoff_score = avg_mult * points_per_phrase * num_phrases + ceil(num_percussion * perc_mult)
- 1 star: avg_mult = 0.21, perc_mult = 31.25
- 2 stars: avg_mult = 0.46, perc_mult = 62.5
- 3 stars: avg_mult = 0.77, perc_mult = 93.75
- 4 stars: avg_mult = 1.85, perc_mult = 112.5
- 5 stars: avg_mult = 3.08, perc_mult = 125
- gold stars: avg_mult = 4.68, perc_mult = 125
Rock Band (with cutoff patch)
Guitar
Formula: cutoff_score = avg_mult * base_score;
- 1 star: avg_mult = 0.21
- 2 stars: avg_mult = 0.46
- 3 stars: avg_mult = 0.77
- 4 stars: avg_mult = 1.85
- 5 stars: avg_mult = 3.08
- gold stars: avg_mult = 4.52
Bass
Formula: cutoff_score = avg_mult * base_score;
- 1 star: avg_mult = 0.21
- 2 stars: avg_mult = 0.50
- 3 stars: avg_mult = 0.90
- 4 stars: avg_mult = 2.77
- 5 stars: avg_mult = 4.62
- gold stars: avg_mult = 6.78
Drums
Formula: cutoff_score = avg_mult * base_score;
- 1 star: avg_mult = 0.21
- 2 stars: avg_mult = 0.46
- 3 stars: avg_mult = 0.77
- 4 stars: avg_mult = 1.85
- 5 stars: avg_mult = 3.08
- gold stars: avg_mult = 4.29
Vocals
Formula: cutoff_score = avg_mult * points_per_phrase * num_phrases + ceil(num_percussion * perc_mult)
- 1 star: avg_mult = 0.21, perc_mult = 31.25
- 2 stars: avg_mult = 0.46, perc_mult = 62.5
- 3 stars: avg_mult = 0.77, perc_mult = 93.75
- 4 stars: avg_mult = 1.85, perc_mult = 112.5
- 5 stars: avg_mult = 3.08, perc_mult = 125
- gold stars: avg_mult = 4.52, perc_mult = 125
Rock Band 2
Guitar
Formula: cutoff_score = avg_mult * base_score;
- 1 star: avg_mult = 0.21
- 2 stars: avg_mult = 0.46
- 3 stars: avg_mult = 0.77
- 4 stars: avg_mult = 1.85
- 5 stars: avg_mult = 3.08
- gold stars: avg_mult = 4.52
Bass
Formula: cutoff_score = avg_mult * base_score;
- 1 star: avg_mult = 0.21
- 2 stars: avg_mult = 0.50
- 3 stars: avg_mult = 0.90
- 4 stars: avg_mult = 2.77
- 5 stars: avg_mult = 4.62
- gold stars: avg_mult = 6.78
Drums
Formula: cutoff_score = avg_mult * base_score;
- 1 star: avg_mult = 0.21
- 2 stars: avg_mult = 0.46
- 3 stars: avg_mult = 0.77
- 4 stars: avg_mult = 1.85
- 5 stars: avg_mult = 3.08
- gold stars: avg_mult = 4.29
Vocals
Formula: cutoff_score = avg_mult * points_per_phrase * num_phrases + ceil(num_percussion * perc_mult)
- 1 star: avg_mult = 0.21, perc_mult = 31.25
- 2 stars: avg_mult = 0.46, perc_mult = 62.5
- 3 stars: avg_mult = 0.77, perc_mult = 93.75
- 4 stars: avg_mult = 1.85, perc_mult = 112.5
- 5 stars: avg_mult = 3.08, perc_mult = 125
- gold stars: avg_mult = 4.18, perc_mult = 125
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