Using a proprietary IW4 game engine, Infinity Ward based it on an unspecified id Tech engine. The new engine can accommodate larger worlds, enhanced graphic detail and more efficient rendering.

Infinity Ward以自主开发的IW4游戏引擎为基础开发了一款尚未定名的新引擎，这款新引擎能够承载更大的游戏场景，支持增强的图形细节和更有效的渲染速度。

youdao

New to scripting, I intended to compare different alternatives before settling on a one to use in my 3d game engine.

新的脚本，我打算比较不同的解决办法之前，对一个使用在我的3d游戏引擎。

youdao

Granted, this tech demo is not interactive, but it was created using performance capture and a brand new game engine designed by Cage.

FORBES: Connect

Infinity Ward head Mark Rubin calls Ghosts "a new sub-brand" in the CoD franchise, and it's getting a new (unnamed) game engine to boot -- another indicator that previous characters aren't involved.

ENGADGET

By chance Lewis also met a former engineer from videogame maker Atari, Bruce Rogers, who was developing a new graphics engine and was working on a game of his own.

FORBES: Ordinary Hero