Let's face it, the game development world is buzzing, and not for the reasons we'd like. Unity's recent policy changes have thrown a curveball at developers. If you're caught in this whirlwind and are mulling over your options, you've landed on the right page. We're diving deep into how you can port your game from Unity to Cocos2d, a robust alternative that's worth its weight in gold.

Why Port games from Unity to Cocos engine? The Underdog with a Bite

Game porting from Unity to Cocos engine

Cocos engine might not have the same name recognition as Unity, but don't let that fool you. This engine is a hidden gem in the game development world. Being open-source, it offers a level of flexibility and freedom that's hard to match. Imagine a playground where you're not just a visitor but also a contributor. That's the Cocos community for you. 

And let's talk about the elephant in the room — Unity's new per-install fees. With Cocos, you can kiss those fees goodbye. You keep what you earn, and in this industry, that's a game-changer. So, if you're tired of playing by someone else's rules, maybe it's time to give this underdog a shot.

The Open-Source Advantage

First things first, Cocos2d is open-source. That means you're not just using the engine; you're becoming part of a community that's as passionate about game development as you are. And let's not forget, no pesky fees per game install.

A 2D Powerhouse

If 2D gaming is your bread and butter, then Cocos2d is your jam. This engine is optimized for 2D game development, offering a range of features that can elevate your game to new heights.

Exploring 3D: A New Horizon with Cocos Creator

Cocos2d excels in 2D, but with Cocos Creator, stepping into 3D is a breeze. This addition to the Cocos family opens up a world of 3D game development, letting creators build engaging 3D environments effortlessly.

Transitioning between 2D and 3D is smooth, thanks to user-friendly tools and a wealth of shared knowledge from the Cocos community. Whether adding 3D elements to a 2D game or diving into full 3D development, Cocos Creator is up to the task.

With support for a variety of 3D assets and a robust animation system, bringing your imaginative worlds to life is simpler than ever. And remember, the open-source ethos of Cocos means there's a community of developers ready to lend a hand as you explore 3D game creation.

So, if you're keen on expanding beyond 2D, Cocos2d and Cocos Creator together lay a solid groundwork for exploring the 3D domain, making your game development journey all the more thrilling.

Game Porting from Unity to Cocos Engine: Prepping for the Big Leap

Before you make the game port, you've got some homework to do. Think of it as packing for a long journey. You wouldn't leave your essentials behind, would you? The same goes for your game assets and code. Take a thorough inventory of what you've got. Know which assets are crucial and which codes are reusable. 

Take Stock and Plan

Before you jump off the Unity ship, make sure you know what you're diving into. Assess your assets, review your codebase, and chalk out a migration plan. It's like packing for a trip; you don't want to leave anything valuable behind. 

Consult the Experts

If you're new to Cocos2d, don't go it alone. Consult with experts who've been down this road before. At iLogos, we've guided numerous clients through game porting, ensuring a smooth ride all the way.

The Financial Side of Things

Money talks, and in the game development world, it practically shouts. Unity's new pay-per-install policy has left many developers scratching their heads and checking their wallets. But here's the silver lining — Cocos is free to use. 

Counting the Beans

Switching your game engine isn't just about tech; it's also about the moolah. Unity's new pay-per-install model can be a real budget-buster, especially if your game's got a big following. On the other hand, Cocos won't cost you a dime to use. But don't forget, you'll need to budget for the time and effort it takes to move your game over. For a ballpark figure, a straightforward 2D game might set you back around $5k, while a trickier one could climb up to $20k.

The Bigger Picture

Sure, the initial cost might make you wince, but think about the long game. No more per-install fees means you keep more of the pie. And let's not overlook the efficiency gains; our clients have seen up to a 30% drop in ongoing costs after hopping over to Cocos2d.

Cost Comparison: Unity vs. Cocos engine 

Cost Comparison: Unity vs. Cocos engine



Unity: The financial commitment can escalate rapidly, particularly with the need for multiple licenses, advanced support, or specific assets from the Unity Asset Store. The newly introduced per-download pricing model could lead to substantial charges for developers.

Cocos: With its open-source and complimentary nature, Cocos presents notable cost benefits, especially appealing for independent developers and smaller studios. Nonetheless, there might be a necessity for investments in external tools or services for particular requirements.

Watch Your Step: Common Hurdles and How to Clear Them

Switching engines is like navigating a minefield; one wrong step and boom! But don't worry, we've got your back. One of the first hurdles you'll encounter is asset compatibility. 

Unity and Cocos don't always play nice, especially when it comes to proprietary formats. So, make sure to double-check, or even triple-check, your assets. Then comes the code. If your game relies on Unity-specific libraries, you're in for some heavy lifting. But don't sweat it; with the right guidance, you can navigate this maze like a pro.

Asset Juggling

Don't assume that all your assets will just slide over to Cocos2d without a hitch. Some of Unity's unique formats might need a little massaging to fit into their new home. So, double-check and maybe even triple-check to dodge any nasty surprises.

The Code Maze

Thinking the code will just magically work in Cocos2d is a rookie mistake. If your game leans on Unity-only features, you'll need to roll up your sleeves and dig into some code rewriting. This could mean rethinking how your AI behaves or rejigging your in-game physics.

Third-Party Library Limbo

A common yet unnoticed challenge is the access to third-party libraries. Those handy libraries for things like Auth (for login authentication), game analytics, or multiplayer features you enjoyed in Unity might not be ready for a handshake with Cocos2d. They might be absent or just speak a different technical language in Cocos2d. 

Spotting these libraries at the outset is key. It's wise to either scout for fitting replacements or brace yourself for some extra coding to get these crucial services playing nicely with your game on its new engine playground.

The Time Game: What to Expect

Switching engines isn't a sprint; it's a marathon. Depending on how intricate your game is and the manpower you've got, you're looking at a timeline that could stretch from a few weeks to a handful of months. For an average-sized game, pencil in about 2 to 3 months.

The Cocos2d Tribe: You're in Good Company

Cocos2d has a buzzing community that's growing by the day. While it might not be as sprawling as Unity's, it's packed with passionate folks who are just a forum post away. Websites like Cocos2d-x.org are treasure troves of guides, tips, and community wisdom.

Navigating the Intricacies of Game Porting

Switching your game from Unity to Cocos2d isn't just a drag-and-drop affair. It's a layered process that calls for a keen eye and a solid game plan. In the following section, we'll dive into the nitty-gritty details that often fly under the radar, like keeping your code in check, having a backup strategy, and putting the final polish on your game.

Why Version Control Matters

When you're juggling code, assets, and a team, version control systems like Git are your organizational lifesavers. Think of it as a time machine for your project; it lets you go back in time to see who made what changes and when. This is invaluable, especially when you're working with a team. So, before you dive into the porting process, make sure your version control game is on point. Trust us; your future self will thank you.

The Safety Net

Before you dive into porting, make sure you've got a solid backup of your Unity project. That way, if things go south, you've got a fallback plan. This is crucial when you're dealing with complex projects with lots of moving parts.

Tuning Up

Crossing the finish line is just the beginning. Once you've got your game running in Cocos2d, it's time for the finishing touches. Cocos2d gives you more control over things like particle effects, so you can really make your game shine.

Squashing Bugs

Bugs are part and parcel of the dev life. The trick is to catch 'em early. Cocos2d has some nifty debugging tools built right in, helping you track down and fix those pesky issues quicker.

The Nuts and Bolts of Porting

So, you've weighed the pros and cons, and you're ready to make the leap from Unity to Cocos2d. But what does the actual process look like? In this section, we'll break down the nitty-gritty of porting, from asset migration and code translation to rigorous testing.

Asset Migration

Cocos2d supports a wide array of file formats. So, transferring your assets is usually a breeze. But don't take my word for it; double-check to ensure everything is compatible.

Code Translation

Unity primarily uses C#, while Cocos2d is more flexible, supporting languages like C++ , Python, JavaScript,  and TypeScript. You'll need to translate your code, but it's not as daunting as it sounds. With the right tools and guidance, you'll get the hang of it in no time.

Testing: The Moment of Truth

Once you've crossed the asset and code bridges, it's time for the litmus test. Rigorous QA is essential to ensure that your game runs like a well-oiled machine on Cocos2d.

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The Final Word: Embrace the New Game Plan

So, you're at a crossroads, thanks to Unity's policy shake-up. But hey, change isn't just about closing doors; it's about opening new ones. Cocos2d offers a fresh start, a way to keep more of your hard-earned cash and still deliver a killer game.

At iLogos, we've got your back. We've been down this road and know how to dodge the potholes. Ready to make a game-changing move? Drop us a line for a free chat. Let's turn this hiccup into your next high score.



Can I port my project back to Unity if necessary?

Yes, reverting your project to Unity is achievable, though it might entail a substantial amount of effort, particularly if modifications were carried out in Cocos2d that lack direct counterparts in Unity. It's wise to maintain a detailed log of all alterations made during the initial porting phase to assist in any future porting tasks.

What are the alternatives for Cocos2d-js?

If you're on the lookout for alternatives to Cocos2d-js, there are numerous other game development frameworks and engines to ponder upon. Renowned alternatives encompass Unreal Engine, Godot, Phaser, and Babylon.js. Each platform boasts its unique array of features, communities, and support mechanisms. Your selection would hinge on your project necessities, your favored programming languages, and the licensing model of the platform.

What is the difference between Cocos2d and Cocos2d-x?

Both Cocos2d and Cocos2d-x are open-source game development frameworks, yet they cater to diverse developer requisites. Cocos2d, initially crafted in Python, is celebrated for its simplicity and user-friendliness, making it a stellar choice for indie developers and smaller projects. Conversely, Cocos2d-x, penned in C++, is a more potent framework offering superior performance, apt for more intricate, professional-grade game development. Moreover, Cocos2d-x extends support to multiple programming languages and platforms, presenting a wider spectrum of development opportunities compared to Cocos2d.

How much space does Cocos2d take??

The disk space Cocos2d demands can fluctuate based on the version in use and any additional assets or libraries incorporated in your project. Nonetheless, the core Cocos2d framework is recognized for its lightweight nature. A rudimentary installation might merely necessitate a few hundred megabytes of space. It's prudent to peruse the latest release notes or engage with the Cocos2d community forums for the most precise information concerning disk space prerequisites.

What is Cocos2d framework?

Cocos2d is an open-source game development framework furnishing developers with the requisite tools and ambiance to concoct interactive games and apps. It's lauded for its ease of use, community backing, and versatility in 2D game development, although, with adjuncts like Cocos Creator, venturing into 3D game development is also feasible. The framework accommodates multiple programming languages, enabling developers to operate in a language they find comfortable.

What games are written in Cocos2d??

A plethora of popular games have been birthed using the Cocos2d framework. Distinguished titles encompass "Badland," "Castle Clash," and "Big Fish Casino." The adaptability and user-friendliness of Cocos2d have rendered it a darling among indie developers and small to medium-sized game studios.

How much does Cocos2d cost?

Cocos2d is an open-source framework, signifying it's free for the development and publication of your games. However, the aggregate cost of concocting a game with Cocos2d could encompass other expenditures like assets, third-party libraries, and possibly engaging experts or consultants if necessary. It emerges as a cost-effective alternative compared to certain other game development platforms that levy licensing fees or royalties.