No-Upgrade-Limit Engineer

The No-Upgrade-Limit Engineer is like the Engineer, just without an upgrade limit. Costs as much as the original engineer.

Sentry Gun ($450)
Deploys a sentry every 3 seconds, each sentry lasts for 10 seconds.

Larger service area ($300)
+25% range for both attacking and deploying sentries.

Longer nails ($450)
Nails pop 5 bloons each, plus frozen bloons.

Faster engineering ($350)
Deploys sentries every 2 seconds!

Double gun ($450)
The engineer has 2 guns instead of one.

Cleansing foam ($600)
Deploys foam every second, removing camo, regrow or popping lead up to 5 times per foam.

Sprockets ($750)
Sentries attack twice as fast.

Long life Sentries ($600)
Sentries last for 15 seconds!

Drill gun ($800)
Engi shoots drill pieces instead of nails, dealing double damage and popping twice as much bloons.

Super Sentries ($1200)
Sentries attack 50% faster, last 50% longer and can pop lead.