Mass Muta Harass
Detected when a Spire into 6+ Mutalisks (no Baneling Nest) runs pure muta harass vs Terran.
54.1% win rate over 98 ladder games with 12 starting workers
n = 98 games from 6 players · Stats updated Sep 30, 2026
Mass Muta Harass wins 54.1% of decided games across 98 ZvT ladder games from 6 players with 12 starting workers. The likely range for its true win rate is 44.3–63.6%, so it is too close to call against a coin flip. It appears in 5.4% of the 1,825 ZvT games in the guide sample. This guide is newly published, so there is no weekly trend yet. This is still a small sample (n = 98), so treat it as a directional read.
Win rate by league and MMR
Grouped by the opponent's league and MMR band. Bands without enough games are left out.
By opponent MMR
| Group | Win rate | Likely range (95%) | Games |
|---|---|---|---|
| 2500–3000 MMR | 55.3% | 41.3–68.6% | 47 |
Your record with this build
When it wins
Win rate by game length: does the build close games early or pay off late?
| Group | Win rate | Likely range (95%) | Games |
|---|---|---|---|
| 10–15 min | 64.5% | 46.9–78.9% | 31 |
Common macro leaks
Average macro score 54.9 over 98 games from 6 players.
- Supply Blockedin 100.0% of games98 of 98
- Mineral Floatin 96.9% of games95 of 98
- Inject Efficiencyin 55.1% of games54 of 98