WC3 TrackerMapsU9 Robotrpg20 vs Zombie Defense
Warcraft 3 Map Comparison

U9 Robotrpg20 vs Zombie Defense

Zombie Defense is the more popular of the two, with 4,870 recorded sessions versus 7. Zombie Defense averages more players per lobby (2.7 vs 2), suggesting larger games. U9 Robotrpg20 lobbies fill faster, sitting open 1.7 min on average versus 2.4 min for Zombie Defense. Over the past 30 days, Zombie Defense has seen more activity.

U9 Robotrpg20 Zombie Defense
Head to Head
MetricU9 Robotrpg20Zombie Defense
Total sessions74,870
Unique hosts5281
Avg players/lobby22.7
Avg lobby open time1.7 min 2.4 min
Sessions (30d)42,183
Tracked versions127
Last hostedJun 8, 2026Jun 10, 2026
Monthly Activity (last 2 mo)
May 26
0
2,307
Jun 26
7
2,287

Frequently Asked Questions

Comparing U9 Robotrpg20 and Zombie Defense on Warcraft 3

Zombie Defense is more popular, with 4,870 total sessions tracked on Warcraft 3 Battle.net compared to 7 for the other. Popularity can shift over time — WC3 Tracker records live lobby activity across all servers.
Zombie Defense has more players per lobby on average (2.7) than U9 Robotrpg20 (2).
U9 Robotrpg20 lobbies fill faster, sitting open 1.7 min on average versus 2.4 min for Zombie Defense. A shorter open time usually means a healthier, more in-demand map.
Zombie Defense has had more sessions in the last 30 days (2,183 vs 4). Check the live lobby browser on WC3 Tracker for current activity.
U9 Robotrpg20 has been hosted by 5 unique BattleTags and Zombie Defense by 281. Zombie Defense has the wider host base.