Here is my list of cocos2d open source games and programming resources for various purposes in cocos2d development. I hope it will help you to speed up learning and developing your games using this fantastic framework as it helped me making iUridium. I will keep updating this list so stay tuned..
GENERAL
(Last Update: 26.05.2012.)
Cocos2d itself: LINK
Kobold2d – Great wrapper around cocos2d providing some very nice out of the box solutions, made by Steffen Itterheim: LINK
OPEN SOURCE GAMES
(Last Update: 11.08.2013.)
List of open Source game projects on cocos2d-iphone.org: LINK
iLabyrinth game source: LINK
Tiny Wings Hills game source: LINK
Simple platform game using cocos2d and box2d with collision detection: LINK
Canabalt game source: LINK
Knight Fight isometric game source: LINK
PingPang multiplayer game source: LINK
Snake – open source game: LINK
TommyBros game (2 player platformer) source:LINK
Source code of iPad game Colorous: LINK
Strange Ocean game source – LINK
Felinity game source – LINK
Ghetto Bird (Angry Birds clone) source – LINK
Climbers game source – LINK
Tweejump game (DoodleJump like) source – LINK
Castle Hassle game source – LINK
Cloud Bomber game source – nice deformable terrain example project – LINK
Space Patrol game source – another nice deformable terrain example project using large map – LINK
Platform game Super Mario Bros tutorial including game source code – LINK
How to make game like Cut The Rope tutorial including game source code – LINK
How to make game like a Ragdoll with Chipmunk Physics & Cocos2d including game source code – LINK
How to make game like a Tower Defense including game source code – LINK
Sapus Tongue game source code – LINK
Heredox game source – LINK
iLabyrinth game source – LINK
Conway game of life simulation using cocos2d and TMX maps – LINK
iPokemon – a Pokemon/Pet Type Game Created using Cocos2D – LINK
How to Make a Game Like Jetpack Joyride tutorial including source code – LINK
Punchball, arcade boxing game with bluetooth multiplayer mode – LINK
How to Make a Game Like Reversi (classic board game) tutorial including source code – LINK
App Store published game “Be2 – Escape from Pingland” source code – LINK
How to Make a Game Like Tiny Wings tutorial including source code – LINK
Desert race – vertical scrolling car game source code – LINK
How to Make a Smashing monster game tutorial including source code – LINK
PacMan game source code LINK
EXTENSIONS
(Last Update: 25.07.2013.)
Fantastic list of cocos2d extensions collected by Stepan Generalov: LINK
SneakyInput – cocos2d joystick implementation: LINK
ZJoystick – cocos2d joystick implementation: LINK
CCBlade – Fruit Ninja Blade effect implementation in cocos2d: LINK
CCAlertView extension: LINK
Scale9Grid – extension you may need for your pop-up dialogs: LINK
CCUIViewWrapper – wrapper for manipulating UIViews using cocos2D: LINK
CCMask extension: LINK
CCBumber (simple splash logo animation) and CCResouceAsyncLoader (easy class to asynchronous load your resources) extensions: LINK
Nice extension for resizing a large image before it get’s into the Texture cache: LINK
Two very nice extensions (CCProgressBar, CCSpriteHole): LINK
HKTMXTiledMap extension for large animated tile maps: LINK
Very nice iPad colour picker: LINK
Nice controls (NDControlGauge, NDControlButton, NDControlSlider): LINK
Very nice extension (CCControlExtension) providing Cocos2d Button, Slider and Color-picker: LINK
Nice particle system extension – ParticleSystemQuadMask:LINK
Very Nice cocos2d extension – Modal Alerts: LINK
Nice cocos2d particle extension for supporting both fade in and out – CCParticleSystemQuadExtended: LINK
Nice extension for creating transparent spritesheets (RGBA) from two JPG files: LINK
FacebookScorer: extension for posting your game scores to Facebook Wall – LINK
CCParallaxScrollNode: extension for repeating background/infinite parallax effect in cocos2d – LINK
iCloudIndicator: extension for showing if game can be resumed via iCloud – LINK
CCAsyncRemoteSprite: nice extension for loading Sprite image from the internet – LINK
CCLightFlash: nice extension for simulating light flash effect – LINK
PESprite – a CCSprite replacement for cocos2d that supports collision detection – LINK
CCPickerView – UIPickerView alternative for Cocos2D – LINK
CCTextField – nice cocos2d extension for replacing IUTextField – LINK
AWTextureFilter – cocos2d extension for applying a gaussian blur filter to your textures in cocos2D – LINK
NGNineGridSprite: A basic nine-grid sprite node for Cocos2D – LINK
CCSVG: A nice extension for loading, displaying and animating SVG images in Cocos2D – LINK
CCRotateAround: A nice extension for rotating sprite in circle – LINK
CCItemsScroller: A nice extension for horizontal and vertical scrolling in cocos2d – LINK
CCAutoType: A nice extension for RPG-like auto typing dialog – LINK
TSSpriteSheetManager: A nice extension for managing Sprite Sheets in your cocos2d game – LINK
Camera Layer: A complex camera movement simplifier – LINK
MenuLevel: nice extension for Angry Birds like menu level – LINK
CCNode-Screenshot: nice extension for making screenshots from within your cocos2d game – LINK
CCSlidingLayer: nice extension for sliding cocos2d layer – LINK
CCParticleSystem: extension of cocos2d particles – LINK
CCPanZoomController: extension for pinch, zoom in/out and pan-move layer – LINK
Collides2d: nice lightweight collision detection solution – LINK
CCLabelTable and CCLabelTableEditor: cocos2d table custom control – LINK
AScrollLayer – another interesting UIScrollView cocos2d alternative – LINK
CCVoHelper – extension adding VoiceOver (Accessibility) to cocos2d – LINK
CCButton – cocos2d extension of CCSprite adding touch handling – LINK
MenuLevel – Angry Bird Style menu – LINK
CCCaca – ASCII Art screen filter for Cocos2D – LINK
GPLoadingBar – loading bar example – LINK
BasicButton – nice and simple Button extension – LINK
PauseButton and PauseLayer – extension for pause/resume functionality in your cocos2d game – LINK
SSAnimation – several animation extensions – LINK
UIKitAimationPro – UIKit library allowing you to render tile maps and sprites like Cocos2D – LINK
USEFUL SOLUTIONS, DEMO PROJECTS, TOOLS AND CODE SNIPPETS
(Last Update: 08.08.2013.)
Fantastic list of open source demo projects by @SuperSuRaccoon: LINK
Bubsy starting game project and procedural landscape solution: LINK
How to make underwater effect using cocos2d: LINK
Card3d – object with 3D chart appearance: LINK
How to preload game resources in loading scene: LINK
A* pathfinding algorithm: LINK
CocoParticle for helping creating Particles in cocos2d: LINK
Making a particle effect using a specific sequence of images such as a string of letters: LINK
Level selection scene source sample: LINK
Box2D driven cocos2d animation simulating 3D ball rolling: LINK
How to make glass breaking effect using cocos2d: LINK
How to make 2D soft shadows using pixel shaders: LINK
Nice code snippet for conversion of TMX polygon objects into box2d shapes for collision detection: LINK
Class for drawing a Verlet Rope using box2d: LINK
Very nice sample of creating flag effect for super hero cape: LINK
How to make deformable terrain effect:LINK
Awesome Progress Indicator HUD implementation:LINK
How to make water simulation for side-view games:LINK
Nice royalty-free music library by @MajesticMusic24: LINK
Nice example of flocking effect using cocos2d: LINK
Appirater – in-app rate/review reminder: LINK
Life saver if you are using GestureRecognizers with cocos2d: LINK
Coloring Flood Fill algorithm: LINK
Coloring Flood Fill cocos2d extension: CCSpriteFloodFill – LINK
Custom Slider sample (BBSlider) with tutorial – LINK
Nice solution for loading sound from memory into cocos2d’s SimpleAudioEngine – LINK
How to draw smooth lines using cocos2d – LINK
ABGameKitHelper – helper class for integrating cocos2d 2.0 with Apple’s GameKit API – LINK
ArtPig (Flash timeline style motion editor) Library for cocos2d – LINK
A tool that provides a fast way of reusing animations made in Flash CS in Cocos2D projects – LINK
Nice example of pre-loading game assets using plist file – LINK
Nice example of making local leaderboard using plists – LINK
A Magnifying Glass effect – LINK
How to pause and resume audio in cocos2d – LINK
ShareKit – open source, drop-in share features (Facebook, Twitter, Flickr, …) to add full sharing capabilities to your game – LINK
Nice solution for adding stroke effect around the letters – LINK
Very nice solution for making RPG-like text box in your game – LINK
Nice example of making fluid/goo effect using cocos2d – LINK
How to add night effect to your cocos2d game – LINK
Open source development framework for making e-book/diary games or apps – LINK
Awesome project showing how to build a depth map for your cocos2d game – LINK
How To Make A Game Like Fruit Ninja With Box2D and Cocos2D – LINK
Some useful tips and code snippets for pre-loading game assets with progress bar – LINK
Nice tutorial including source about how to make slide puzzle game – LINK
Open source project providing with iris style effect in cocos2d – LINK
Sample project showing you how to integrate BulletML (Bullet Markup Language; describing the barrage of bullets in shooting games) in cocos2d – LINK
Sample project serving as the starting point for a Train Game with free-form tracks – LINK
How to make simple fractal terrains in your cocos2d game – LINK
Great Buoyancy (water floating solution in Box2D) example for cocos2d – LINK
Nice custom cocos2d Action for rotating a sprite around an arbitrary point – LINK
Nice tutorial about integrating facebook with your cocos2d game including source code – LINK
Nice effects of animated lava, clouds, and water based on 3D perlin noise – LINK
CMMSimpleFramework – rich set of cocos2d 2.0 helper classes and utils: LINK
MBTileParser – a cocos2d-iphone compatible game engine written using pure UIKit: LINK
Nice tutorial with source code about Additive Coloring & Flash Style Tinting with cocos2d – LINK
Behavior Tree implementation in ObjectiveC – LINK
Great sample project of using pixel based destructible ground – LINK
Great tool which enables you to reuse your Flash CS animations in cocos2d – LINK
Nice sample project showing how to simulate Soft Body physics using box2d and cocos2d – LINK
Great tutorial about scrolling in cocos2d including sample project – LINK
Nice iPad maze generation game analysis with sample source code – LINK
Interesting open source project implementing waves simulation using shaders – LINK
Great open source project implementing cocos2d SPH (Smoothed-particle hydrodynamics) particle fluid dynamics solution with box2d interaction – LINK
Touch collision detection solution using PhysicsEditor – LINK
Nice pinch to reveal gesture (pinch to split a CCSprite in two sections) solution sample – LINK
Direct link to source package showing how to push cocos2d director modally on View Controller or Navigation Controller – LINK
PixelShatter – cool retro pixelated style explosion effect – LINK
iAd BannerViewController – LINK
Sample project showing Squash and Stretch Animation using cocos2d – LINK
HUMAStarPathfinder – A* pathfinding implementation for iOS and Mac – LINK
CargoManager – open source library that helps you implement IAPs for iOS apps in a simple and encapsulated way by using the by using the delegate pattern – LINK
