List of Free code Game Engine
A Phoenix Wright style point 'n tap adventure game engine.
An open source point and click (or tap) adventure game engine for iOS.
game engine iOS version.
Kamcord framework for integration into custom game engines.
Kobold Kit is the game engine built on and extending Apple's Sprite Kit Framework.
LOTSR iOS Engine
RPG iOS game engine.
Developing RadEngine ? simple game engine for iOS.
An entity system based game engine.
The Open Source Game Engine for iOS.
Match 3 RPG style iOS game engine.
Game network engine focused on automatic high level data model syncing.