Known Bugs

This page is for a list of bugs that were discovered. They are seperated into Confirmed and Patched.

Hotkey Abuse Bug
This is a glitch which is similar to the tower placement glitch except you can use the hotkey of a not yet unlocked tower.

Tower Bug
This is a glitch in BTD4 when you save a game in any map and then load it in BTD4 Expansion.

Hydra Rocket Pods Bug
The 2/3 Dartling Gun shots don't explode, but just pierce through bloons.

Hypersonic Spike-O-Pult Glitch
(Only works in BTD5) the player need a 2,0 Dart Monkey and a 0,4 Dart Monkey. Then you activate the Super Monkey Fan Club abilityand upgrade the 2:0 Dart Monkey into a Spike-o-Pult, but it is only hypersonic for 10 seconds.

Infinite Special Agent Bug
When doing March 15 Challenge When adding the bloonberry bush or Meerkat spy It will be placed but it won't disappear from the menu below and can be placed again. And the number won't change.

Opening Title SFX Bug
There was a bug in which the sound effects in the opening title wouldn't play. This was fixed on Thursday, June 14, 2012. In the selfsame update, Specialty Buildings were added!

Premium Bug
This is a glitch where if you left click at the top left corner of the premium upgrade, you will activate the upgrade. this glitch was patched 2 weeks after the release of the game.

Pro Tribal Turtle Bug
Tribal Turtle Pros cannot be placed on water.

M.O.A.B. and B.F.B. Mortar Tower Glitch
In version 3.2 for Bloons TD 4 iPod/iPhone the Mortar Tower could kill B.F.B.s and M.O.A.B.s in one shot. It strangely did not effect the damage on any other bloon. Fixed in version 3.2.1.

Monkey Glue Bug
In BTD 4, you can place Monkey Glue off the track. It is often around the borders.

Save Bug
(Only works in BTD5) Complete a difficulty and then click on the save button really rapidly before the plank says "Congrats! You beat this track on _____!". Then when it has saved you must exit out then load it again. Once you passed this level you can save in Freeplay Mode.

Tower Sell Bug
When you sell a tower it doesn't go away and it just gives you money. This occurs when a player opens BTD4's save file when playing BTD4 Expansion (whether or not this is for the first time isn't confirmed).

Challenge Bug
After playing a 1-level challenge in BTD4 Expansion (such as the one to defeat 50 M.O.A.B.s in one round), placed some towers but didn't yet start the game before quitting, then when you go on it again and click "Load Game", you will get a lot of money and the towers you placed.



Treasure Chest Glitch
When you already opened the Treasure Chest in BTD5, it will be partly open and have a small 999 in it. When you click, it will still give Monkey Money and be fully opened. This is not a totally a glitch, as this does occur at the time it is meant to happen.

Special Ability Glitch
Upgrade a tower completely in the path of which the special ability is on, now upgrade on the other path, this should stuff up the number beside the special ability

10 Bug
This rarely occurs, once you load a save game with a Portable Lake with Monkey Buccaneers on top of it, it will show the number ten with a hour glass next to it.

Alarm Bug
If you press the home button, run out of lives, then press yes, an alarm will sound until you play, where it will say game over. This also Happens in the Wizard Lord Mission when you run out of towers, except there is no escape from it other than closing your browser!

Overclock Bug
The Overclock ability shares its tooltip with Super Monkey Fan Club.

Banana Farm On Deflation Bug
By pressing V key when you have enough money for a Banana Farm, it allows you to place it. Sadly, the bananas don't give you money, nor do they give money when upgraded to Monkey Bank or Banana Investments Advisory. However, they do give lives if Healthy Bananas is turned on.

Bad Aim Bug
Sometimes towers will attack in a direction completely away from the bloons and still pop them in BTD5.

Beginning Animation Bug
In BTD5, after the animation and you click play, the animation will repeat.

Corrosive glue not corrosive bug
BTD4, the glue gunners' corrosive glue will not pop bloons on fast forward.

Dartling Gun Bug
In BTD4 or BTD4E, sometimes in fast forward the Dartling Gun shoot 2 steams of darts. It is more common when the Increased Barrel Spin upgrade is purchased.

Double Missle Bug
In BTD4 or BTD4E, if the game is in fast forward, briefly a second missile can be seen launched from the Missile Launcher.

Hypersonic Speed Tack Shooter Bug (BTD1 and BTD2)
If you press tab until the Faster Shooting box is surrounded in a yellow box while it can be afforded, press the space bar until the speed is hypersonic and the upgrade is bought. Then, most bloons can't get by the tower. You will lose money since you couldn't originally afford it. This glitch can be done by another towers (such as Dart Monkey with infinite piercing darts, Ice Tower with unlimited freeze time), however those do not work.

Iced Bug
(Only works in BTD1 and BTD2) Sometimes if there is a high number of bloons that the Ice Tower attacks, some bloons will stop but not appear to be frozen.

Infinite Special Agent Bug
When doing March 15 Challenge When adding the bloonberry bush or Meerkat spy It will be placed but it won't disappear from the menu below and can be placed again.

iPod Monkey Ace Dart Deficiency Bug
In BTD4 Iphone/IPod Touch: In the Monkey Temple track, if you put an un-upgraded Monkey Ace before starting round 66, in the current level and round 69 Monkey Ace will shoot 6 darts instead of 8. This is more likely to occur if you're playing on Hard difficulty.

Life Bug
This bug can happen on almost everything you do on BTD5, but most notably on the March 11 2012 Daily Challenge. It also used to happen on Wizard Lord (Special Mission) a lot. Sometimes, when you lose all of your lives, the Game Over screen will not appear and you can still play. However, your towers cannot attack and there will be no "Start Button".

Missing Menu Bug
On the intro in BTD5 right click, then click on the play button. The play button screen will still be there yet if you click when any of the menus would be (eg: special agents), that menu will be opened.

Monkey Ace Bug
When the player upgrades a Monkey Ace to Operation: Dart Storm, the Monkey Ace will face right but not in any other direction.

Mortar Tower SFX Bug
After buying bigger blast, the mortar explosions will not be heard. With bloon buster, the explosions will be small. The same SFX bug happens with Signal Flare.

Quit Bug
When you want to leave a game, sometimes when you leave the border of your previous game (Towers, Special Agents, Lives, Money, etc.) will be around the Main Menu.

Short-Lived Bug
Sometimes, the game messes up how much rounds are left for your tower in the mission. Most commonly, it skips a round, so you only have 9 rounds instead of 10.

Skip Round Lag Bug
Sometimes, when you start a round in BTD 4, BTD 4 expansion, or BTD 5, the game will freeze, and then the round will be completed. You will get your reward money, but no bloons will have appeared on the screen. This is alot more rare in BTD 5 but is most seen in older computers in BTD4. It happens most often in the first few rounds.

Special Abilities Bug
when you only have one of a special ability, it will say you have 3 of it, but you can only use it once.

Special Abilites Bug 2
When a tower with an ability is sacrifices to a temple, the ability will stay, though it is supposed to dissappear. The ability can't be used.

Spike Factory Glitch
The Spike Factory's final upgrade Spike Storm will sometimes only cover up half the screen in BTD4.

Start Round Glitch
On the first track in BTD3, sometimes there will not be a start round button after a round. You have to use super monkey storm to get the button back. More common on easy.

Towers Placeable Everywhere
If you mouse over a spot where you can place a tower when you have a tower selected, and right click on that spot, then while the menu is up, click anywhere and you can place the tower anywhere.thumb|300px|right|How to Place towers any place you want . . . even on the track Will not work on some computers and/or websites.

Track 2 Bug
If you play the beginners track on BTD4 and save, when you go to the expansion, it will take you to track 2 although ninja kiwi seems to know this as when you do this there is a message saying that the save is from the original game and results may be unexpected.

Track 6 Bug
If you play track one on the beginners track on BTD4 expansion and save, when you go to the original, it will take you to track 6 premium.

Track Jump Glitch
In BTD5, Bloontonium Lab, Snake River, and Mount Magmasufferaglitchwhich causes bloons to skip parts of the track. Click here to find out more.

Unlimited NK Coins/MM Glitch
When you purchase MM with NK coins, you won't loose MM when you buy Special Agents, nor NK coins. See:http://www.youtube.com/watch?feature=endscreen&v=fh8DDevWhTY&NR=1

Wacko Spike Factory Bug
If placed far enough from the track on any given map, the Spike Factory will randomly place spikes or spikeballs on the border of it's search radius.

More than max glitch
In the July 18th challenge, if you have the max of one tower, and sell a different one, you can buy another of that one, but once you buy it, it will be locked again.

Angry Squirrel Glitch
Even when bloons haven't leaked, angry squirrel will be berserk permanently.

Main Menu Glitch 2
This is sort of the opposite of the main menu glitch, if you tap the house, the game will still show, but not the border.

Bug in log in game
The game has a system where you can only play right into the site from which it was created Bloons Tower Defense 5, but an update, double money, the game itself did not identify the site of origin, giving the message "play only site Ninja Kiwi".

"Melee" attack
In BTD3, the boomerangs/glaives that the boomerang/glaive thrower is holding count as projectiles, meaning any bloon that runs into them will be popped. Strangely, the held boomerangs/glaives do not appear to have a pop limit.