I can't stand DTV as a Pole user. The mobs AI is to face hump you. They also move extremely fast.
Reduce the number of spawns a tad or make them weaker and give them more spawn locations closer to the town.
Increasing gold and exp gains.
A flat increase to 1000 Exp per wave with a multiplier based on wave level
Round 1 .6 .7 .8
Round 3 1.0 1.1 1.2
Round 4 1.5 1.6 1.7
Round 5 2.0 2.1 2.2
Also a bonus per peasant effected by multiplier of 10 EXP per peasant. This will make it so the more people you have the more exp.
Round5 exp break down:
+6,300 exp Total for all 3 rounds
+945 From Peasant kills Wave1 20 exp wave 2 21 exp wave 3 22 exp (~10 players)
Total for solo rounds ~6500
Total for 10 players ~7,245
Total for 20 players ~8,190
Ect ect ect