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I want to overhaul the whole Assassin’s Creed catalogue—from the original Altaïr adventure right through to Valhalla—by adding fresh, custom-built mods and ensuring they install flawlessly. I’m looking for someone who can both create original content (new missions, textures, gameplay tweaks, quality-of-life utilities) and handle the sometimes-tricky installation process across every title in the series. If you already have tricks for working inside Ubisoft’s Anvil engine, experience with Resorep, Frosty Tools or similar pipelines, and a solid grasp of load-order or patching conflicts, you’ll feel right at home. Although Assassin’s Creed is the priority, I do cycle through other franchises, so a freelancer comfortable extending the same service to additional games later would be ideal. Deliverables • A working custom mod or mod-pack for each numbered/spin-off Assassin’s Creed release • Clean installation on my machines (or a scripted installer) with step-by-step documentation • Post-install test session to confirm stability, save-file integrity and no anti-cheat flags • Source files and clear notes so I can tweak or update the mods in future Acceptance Criteria 1. Game launches and runs for a minimum of two continuous hours without crashes. 2. No visual artefacts, missing textures or progression blocks caused by the mod. 3. Installation guide reproduces the same result on a clean system. If you enjoy pushing the limits of open-world titles and can turn ideas into polished, plug-and-play experiences, let’s talk.
Project ID: 40714153
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Hi, The critical risk here is not building a single mod, it is the Anvil engine differences across the catalogue. The original Assassin's Creed through the Ezio trilogy uses .forge archives with tools like Resorep and AnvilToolkit, while Unity and Syndicate use a different iteration, and Origins, Odyssey and Valhalla run on AnvilNext 2.0 with different compression, encryption and mod loaders. A mod or installer built for one generation will not work on another, so the plan has to treat each engine branch separately rather than assume a universal pipeline. Installation conflicts also compound when mods touch the same files, which is common with texture and gameplay tweaks. For the approach, I would begin by mapping each game's file structure and the available tools for that specific branch. For the older titles, Resorep and AnvilToolkit handle texture replacement and .forge repacking. For Unity and Syndicate, the process is different and involves .data files. For the newer trilogy, the Frosty Mod Manager ecosystem and Forger are the current paths, and load order matters because conflicting mods can cause missing textures or progression blocks. I would build a scripted installer per game with clear documentation, then run a two-hour stability test on each before considering it done. On anti-cheat, I would avoid anything that touches online multiplayer files. Happy to review the details and discuss the best way to implement the solution.
$250 USD in 7 days
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4 freelancers are bidding on average $438 USD for this job

Hello, After reviewing your project requirements, I understand that you are looking for more than simple mod installation — you need custom content creation, stable integration, and a reliable workflow across the Assassin’s Creed series. I have experience working with game development workflows, asset creation, gameplay customization, and testing processes. I can help create and integrate custom modifications, organize installation steps, and ensure each mod-pack is properly tested for stability, performance, and compatibility. One of the main challenges in projects like this is handling different game versions, engine limitations, file structures, and conflicts between multiple modifications. My approach would focus on clean asset management, controlled installation procedures, load-order handling, and detailed documentation so updates can be managed easily in the future. I have a couple of quick questions: • Which Assassin’s Creed titles should be prioritized first for the initial mod development? • Do you already have specific ideas for missions, gameplay changes, or visual improvements? I would be glad to discuss your ideas further and help turn them into polished, playable experiences. Best regards, Carlos.
$250 USD in 7 days
4.3
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As a devoted gamer and seasoned developer with expertise in both game design and development, I'm confident I can bring your Assassin's Creed vision to life. Throughout my expansive 9+ years career, I've consistently demonstrated an ability to execute on unique and complex projects, which your request unquestionably falls under. Thanks to my background in Mobile App Development, I've cultivated a deep understanding of both the creative and technical sides of game design. Moreover, my proficiency in various programming languages like Java, PHP, HTML5, and CSS gives me an upper hand in navigating intricate game engines such as Anvil used by Ubisoft. Couple this with my commitment to delivering high-quality work promptly, and your desire to 'push the limits' aligns perfectly with my mindset. Lastly, by choosing me you're not just hiring a skilled developer but gaining a partner who believes strongly in post-project support. It is in this vein that I pledge free 3 months support for existing developments. Where others may limit their services to just delivery, I extend mine into optimization. With me, the job isn't done until every element is stable and perfect; thereby ensuring efficient working of your revamped Assassin's Creed games. Let's get started, for together we can turn your brilliant ideas into unbeatable gaming experiences!
$500 USD in 7 days
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