Board Thread:Questions and Answers/@comment-5.68.151.164-20130318185910/@comment-2189621-20140614223020

Thethirdpathcometh wrote: BLASPHEMY! No tower or tower upgrade is junk! Except Long Life Bananas! I personally believe each tower, hold Bomb Shooters, Sniper Monkeys, Monkey Bucanneer and Mortar Towers, has one (Two for the Sub) junk upgrade.

So anyway, back on topic. My favorite Glue Gunner upgrade is Glue Hose.
 * Spike-O-Pult for Dart Monkey
 * Blade Maelstrom for Tack Shooter
 * Flash Bomb for Ninja Monkey
 * Intense Magic for Wizards
 * Sonic Boom, Sonic Boom, Sonic Boom (Trouble keeps you running faster) For the Boomerang Thrower
 * Ejac- Err, I mean Cleansing Foam for the Monkey Engineer
 * Triple Barrel for the Bloonchipper
 * Depleted Bloontoinium Darts for Dartling Gun
 * Pineapple Express for Monkey Ace
 * Laser Blasts for Super Monkey
 * Absolute Zero for Ice Tower
 * High Energy Beacon for Monkey Village
 * Bloon Liquefier for Glue Gunner
 * Monkey Bank for Banana Farm
 * Downdraft for Heli-Pilot
 * Submerge and Support (Worst upgrade ever) AND Bloontonium Reactor for Monkey Sub