Game Developer Magazine in May 2012

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Reference: 
http://studioirregular.blogspot.tw/2012/06/game-engine.html
http://gamasutra.com/view/news/169846/Mobile_game_developer_survey_leans_heavily_toward_iOS_Unity.php

Game Developer Magazine:
53% 移動裝置遊戲開發商表示正在使用或是即將採用 Unity3D 遊戲引擎。14% 的開發商使用 Unreal Engine，另外有 10% 使用 cocos2d。
銷售成績最頂尖的開發商當中，39.8% 使用自行開發的遊戲引擎。
Game developer magazine 的調查還有一項：每五位開發商有 4.45 位使用遊戲引擎的首要原因是為了加快開發速度。

Kingdom Rush 的開發商回答了開發相關的細節，他們的 web 版本使用 Flash ActionScript 開發
  • 沒有使用像是 PushButton 之類的 flash game engine，而是自行開發塔防專用 (tower defense) 遊戲引擎。
  • 僅使用三套小小的 3rd party library，看起來其他部分都是自行開發。

Ellis:
       使用套裝引擎是可以幫助遊戲快速開發，並且節省研發成本。但通用引擎帶來的代價就是效能沒辦法針對特定遊戲類型做有效率的優化，以及部分遊戲操作及玩法上需要加以特化產生專屬的feature時，使用套裝引擎會有一定難度來辦到。

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