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Gem Tower Defense

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Developer(s)
  
Bryan K

3.5/5
Kongregate


Initial release date
  
18 February 2007

Gem Tower Defense httpsiytimgcomvihKaAY0PE2Qwhqdefaultjpg

Publisher(s)
  
Blizzard Warcraft III, Starcraft II (Computer)Gem Tower defense (Flash)Niugnep Software, LLC (IOS)Pavlo Timoshkin (Windows)

Release date(s)
  
18 Feb 2007 (Original) (Warcraft III)

Platforms
  
Microsoft Windows, Linux, Macintosh operating systems

Modes
  
Single-player video game, multiplayer video game

Similar
  
Tower defense games, Other games

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Gem Tower Defense is a tower defense video game created by Bryan K. It was released in February 18, 2007 under the tower defense subsection of Blizzard's Warcraft 3 minigames. Since then, several game clients, Flash browser game websites and mobile devices have hosted variants of the game. The game is based upon the strategy, mazing, decision making and chance. The goal of the game is to eliminate computer-controlled enemies that follow a set path to reach the end of a pathway. "Gems" are structures players build to defend their maze. Each Gem is randomly distributed leaving it to chance for a player to acquire the one needed. Gems are placed to form a maze for extending the length each enemy unit travels resulting in an increased attack time of the Gems. The Gem's type or quality determines the damage and use of the structure.

Contents

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History

The first Gem Tower Defense sprung from Blizzard's Warcraft game client under the name [BK's] Gem TD v1.4 featuring 42 levels, unique combinable buildings, multiplayer gameplay and an open map for players to explore. Under the "Tower Defense" genre, it is also known as Gem TD. It wasn't until June 24, 2007 that the game received its own top downloads, capping at 146,057 in v3.1. It maintained the 42 levels but brought the total towers/structures obtainable to 92 and included bosses which are enemy units with superior health. The concept diversified into a flash adaption/imitation producing a browser playable variant. Multiple replication of the game have popped out from minigame supported multiplayer games and devices such as Dota 2 Reborn, Blizzard's Starcraft 2, Windows and iOS.

Concept

Gem Tower Defense is a tower defense game built on planning and chance. The goal of the game is to prevent computer-controlled enemies from reaching the end of a path. Players start by placing 5 random Gems on the map and then choosing one to keep. The Gems are distributed by random with the attributes of type and quality. The type of gem determines what the gem does and the quality represents its strength. The chosen gem has the ability to damage enemy units while the remaining 4 Gems become rocks. Rocks and Gems block enemy units, whereby a row of rocks and Gems form a wall to redirect the enemy. Enemy units enter in groups, known as waves, traveling through checkpoints before reaching the end of the pathway. The checkpoints on the path are alterable by players to give giving Gems more time to attack. The bounty from defeating each wave allows players to purchase Gem upgrades, unlocking possibilities for players to obtain higher quality gems. Additionally, Gems already on the map can be combined into special gems. These special Gems have unique abilities that are used for various waves.

Strategy

The concept of Gem Tower Defense is to efficiently use mazes, Gems, and planning to win the game. Common mazes revolve around the center and utilizes the waypoints to create the longest possible path for enemy units to travel from start to finish. Upgrading Gem chances set opportunities of getting higher tier Gems easier, but may hinder the ability to get special combinations. The highest quality Gems are not a logical choice when lower tier alternatives are needed to make special Gems.

Gem

Gem Tower Defense employs the use of eight basic Gems:

Gem Quality

Each Gem has 6 different qualities but only 5 of which can be built, players start with a 100% chance of obtaining the lowest tier gems then move on to unlocking other chance levels:

Upgrading chances increases the odds to attain a higher quality Gem. Each Gem and quality of the Gem will determine the strength and use of it, whereby higher tier Gems are stronger than lower tier ones.

Upgrading and Downgrading

With two of the same Gem's type and quality, a player can then choose to combine a lower tier Gem into the next level. If the player builds four of the same Gem, he or she then gets to skip ahead and upgrade to the following Gem quality. The order of level goes from chipped, flawed, normal, flawless, perfect to great. The great type Gems can only be upgraded into and not obtained through direct construction.

Downgrading Gems of a higher quality to a lower tier is a strategic move to obtain specific gems for combinations of special Gems.

Combination

A player can obtain special structures by merging his or her Gems that are in play:

Enemies

Before each wave of enemy units spawn, the type(s) of enemy unit are announced for the players to prepare. All the units in the same wave will have identical details based upon the tower defense norms:

  • Health accounts for the overall damage it can receive.
  • Armor determines damage type it neglects or reduces.
  • Movement Speed or MS is the base speed a unit moves across the path.
  • Ground or Air whereby a ground unit is limited to the paths set by the player's structures or maze and an air unit can pass through/above it.
  • Boss units appear alone but they have more durability than normal units.

    The leftover health from enemy units that reach the end of the map determines the damage to the player's in-game health of 100%.

    Maze

    Building a maze with Gems and rocks are a key element of the game. The game begins with an empty map with a start, end and 5 to 6 checkpoints (depending on the version of the game), where opposing units maneuver through sequentially. Gems and rocks redirect enemy units by blocking the direct path. Mazing does not affect flying units which comes every 4 rounds and cannot be used to completely block off checkpoints from enemy units.

    Starcraft Variant of Gem Tower Defense

    In the arcade section of Starcraft II, Gem Tower Defense stands as a tower defense minigame, running under the Blizzard Starcraft client and user interface (UI).

    Tower Levels

    Tower's base damage are not static. A tower's damage scales with its level which goes up every 10-25 kills, depending on the chosen game difficulty. There are a total of 12 tower levels, each giving a 10% damage increase.

    Starcraft Features

  • 8 different types of Gems with 6 tiers of quality
  • 48 basic Gems
  • Each type of Gem with different abilities
  • 32 Combination Gems, each with its own model and abilities
  • 50 Waves of enemies, each with a unique graphic model
  • Custom audio and visual for Gem projectiles
  • Leadership boards (Lives, Waves, Player Statistics, Combination & Maze, Tower Damage, Tower Kills)
  • Tips Menu and Combination List
  • Three different modes:

  • Classic Mode: Multiple players encounter each wave simultaneously. Boss levels come after the waves 15, 30, and 50.
  • Race Mode: Enemy units (Bosses removed) spawn independently to each player as they race to finish 50 waves in the shortest time.
  • Survival Mode: Gems do half damage. The challenge is to last the most waves.
  • References

    Gem Tower Defense Wikipedia