Temple of the Monkey God/Sacrifices

Overview
Temples in BTD5 have many "optional" attacks, totalling to a maximum of six attack types, based on towers in range (sacrificed) when a Sun God is upgraded to a Temple:
 * Ice blast, obtained from sacrificing Ice Tower
 * Glue splatter, obtained from sacrificing Glue Gunner
 * Tornadoes, obtained from sacrificing Monkey Apprentice
 * Missiles, obtained from sacrificing Bomb Towers and/or Mortar Towers
 * Dart/blade volleys, obtained from sacrificing other types of Towers
 * Stronger sun rays, obtained from sacrificing all types of Towers.

Sacrifices
The power of any of the optional attacks depends upon only one factor: how much money was spent on the nearby towers being sacrificed. As any of the optional features are upgraded, so is the power of the main sun ray. The cost is calculated with all difficulty and town adjustments.

$30,000 is the maximum effective amount of Money for sacrificing each type of tower (i.e. $30,000 worth of Ice Towers, Glue Gunners, Monkey Apprentices, Mortar Towers and/or Bomb Towers, and "other Towers" each).

If a Monkey Village is used to reduce the upgrade costs of the Temple, the theoretical minimum cost for a maximum upgraded temple on normal difficulty would be $112,185 + 5 * $30,000 = $262,185. However, a change in difficulty has no effect on the requirements for sacrifices. This means that there is a need to sacrifice $150,000 worth of specific towers for the best temple, regardless of difficulty. Therefore, more towers will need to be built or upgraded on Easy and less for Medium and Hard.

Unique Abilities
To build the most powerful temple, sacrifice: 
 * Maximum bloon freeze time: $30,000 of Ice Towers
 * Largest and most corrosive glue splatter: $30,000 of Glue Gunners
 * Largest and strongest tornadoes: $30,000 of Monkey Apprentices
 * Maximised number and damage of missiles: $30,000 of Bomb Towers or Mortar Towers
 * Strongest blade power: A total of $30,000 of "other towers"
 * All 5 of the above sacrifices provide best plasma power, in addition to the various attacks added to it. As long as towers are sacrificed, there is no way to improve plasma without the addition of the various other attacks.

Monkey Villages
Sacrificing a Monkey Village with Jungle Drums, Monkey Town or Monkey Fort will add on the additional boosts (i.e. 15% additional firing rate, 50% extra cash, etc). However, a second Monkey Village for the Temple will not provide additional boosts, unless the respective upgrades were not sacrificed. Sacrificing Monkey Beacon and M.I.B Call to Arms will not provide any additional benefits in addition to blades or darts.

Abilities from towers
Dart Monkey:
 * (0-0) Basic tower: 16 dart volley per second
 * (4-x) Juggernaut: 16 dart volley per second
 * (x-4) Super Monkey Fan Club: 16 blade volley per second

Tack Shooter:
 * (0-0) Basic tower: 16 dart volley per second
 * (4-x) Ring of Fire: 16 blade volley per second
 * (x-4) Blade Maelstrom: 16 blade volley per second

Sniper Monkey:
 * (0-0) Basic tower: 16 dart volley per second
 * (4-x) Cripple MOAB: 16 blade volley per second
 * (x-4) Supply Drop: 16 blade volley per second

Boomerang Thrower:
 * (0-0) Basic tower: 16 dart volley per second
 * (4-x) Glaive Lord: 16 blade volley per second
 * (x-4) Turbo Charge: 16 blade volley per second

Ice Tower:
 * (0-0) Basic tower: Ice ball fired every 1.5 seconds
 * (4-x) Viral Frost: Ice ball fired every second (freezes bloons extreme long)
 * (x-4) Absolute Zero : Ice ball fired every second (larger freeze radius)

Glue Gunner:
 * (0-0) Basic tower: Glue ball fired every second
 * (4-x) Bloon Liquefier: Glue ball fired every second (extremely corrosive)
 * (x-4) Glue Striker: Glue ball fired every second (large splatter)

Monkey Apprentice:
 * (0-0) Basic tower: Tornado fired every 1.5 seconds
 * (4-x) Tempest Tornado: Tornado fired every second (can pop 2 layers of bloons)
 * (x-4) Summon Phoenix: Tornado fired every second (large tornadoes)

Bomb Tower:
 * (0-0) Basic tower: Missile fired every 1.5 seconds
 * (4-x) Bloon Impact: 2 Missiles fired every 1.5 seconds
 * (x-4) MOAB Assassin: Missile fired extra damage ceramic bloons every 1.5 seconds

Mortar Tower:
 * (0-0) Basic tower: 3 Missile fired every 1.5 seconds
 * (4-x) Big One: 6 Missiles fired every 1.5 seconds
 * (x-4) Artillery Battery: 6 Missiles fired every 1.5 seconds

Monkey Buccaneer:
 * (0-0) Basic tower: 16 dart volley per second
 * (4-x) Aircraft Carrier: 16 blade volley per second
 * (x-4) Monkey Pirates: 16 blade volley per second

Monkey Ace:
 * (0-0) Basic tower: 16 dart volley per second
 * (4-x) Spectre: 16 blade volley per second
 * (x-4) Ground Zero: 16 blade volley per second

Spike Factory:
 * (0-0) Basic tower: 16 dart volley per second
 * (4-x) Spiked Mines: 16 blade volley per second
 * (x-4) Spike Storm: 16 blade volley per second

Dartling Gun:
 * (0-0) Basic tower: 16 dart volley per second
 * (4-x) Ray of Doom: 16 blade volley per second
 * (x-4) Bloon Area Denial System: 16 blade volley per second

Banana Farm:
 * (0-0) Basic tower: 16 dart volley per second
 * (4-x) Banana Research Facility: 16 blade volley per second
 * (x-4) Banana Investments Advisory: 16 blade volley per second.

Monkey Village:
 * (0-0) Basic tower: 16 dart volley per second
 * (4-x) High Energy Beacon: 16 blade volley per second
 * (x-4) MIB Call to Arms: 16 blade volley per second

Super Monkey:
 * (0-0) Basic tower: 16 blade volley per second
 * (4-x) Temple of The Monkey God: 16 blade volley per second
 * (x-4) Technological Terror: 16 blade volley per second
 * (3-x) Sun God: 16 blade volley per second

Ninja Monkey:
 * (0-0) Basic tower: 16 dart volley per second
 * (4-x) Bloonjitsu: 16 blade volley per second
 * (x-4) Sabotage Supply Lines: 16 blade volley per second

Read more

 * http://archive.ninjakiwi.com/Forum/showthread.php/17674-Temple-of-the-Monkey-God-The-Complete-Guide