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I ported my Unity game to Unreal Engine!! UE 5.8 includes an MCP server. Decided to try to see how the same game would look within Unreal. Switched to Fable 5.1 (was running low on Astra usage) Asked it to port the Unity version using the same Blender assets. WDYT?

Chong-U

14,293 subscribers

26,719 views • 2 days ago •via X (Twitter)

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25 Comments

John Shedletsky1 day ago

I think Unity is cooked. Unreal is better for AAA graphics Godot is better for indie There's no middle left

Jeff2 days ago

Personally prefer how it looks in Unity because of the colour palette. It pops more imo.

Chong-U2 days ago

Thanks for that! I’m in two minds!

blew🐳purp👾 | blewpurp.ron2 days ago

I think unity is punching up. Das gud 👌

Chong-U2 days ago

You prefer Unity too?

blew🐳purp👾 | blewpurp.ron2 days ago

Art and unity just looks cozier. Idk is how I put my finger on it. Unreal shaders are better but somehow unity still looks good.

Saleno2 days ago

Colors look delightful mate!

Chong-U2 days ago

Cheers mate!

Sam6ck2 days ago

Good looking! Question on the unreal mcp server? is that really import everything in the UE editor or just backend with unity and render with UE? any docs

Chong-U2 days ago

Everything imported into UE - nothing powered by Unity.

Sam6ck2 days ago

Awesome! unity for prototype

André → andreelias.dev2 days ago

That's a nice resource! Personally I think Unreal's lighting is gorgeous but since it doesn't export to the web there's no point 🤷🏻‍♂️

krz90002 days ago

Slap some dlss5 on it...it probably knows the ghibli tonemapping well

Baron Kimble2 days ago

super cute and cool

Chong-U2 days ago

Thank you!

Luden2 days ago

In the video, it looks like only the resources and visuals were transferred, but were the game content and level design systems also duplicated?

Chong-U2 days ago

they were ported to some extent

LiveFromVR2 days ago

It would be interesting to see this in Godot as well

The Boring Developer2 days ago

honestly switching models mid-project because of usage limits feels like it's becoming its own skill now, not just a fallback

armorse2 days ago

Another builder in the graph. Keep shipping — compound interest is underrated. 👋

AXIALIS | Desktop App Tools2 days ago

How much of the port preserved real scene structure and materials, versus having the MCP agent rebuild equivalent content from scratch?

Nodehaven Online2 days ago

Very cool style, liked the low poly, we are also cooking something if you want to take a look :

Ganzorig Nyamsuren2 days ago

The port is the interesting part, not the engine. Two agents here read the same memory file, so when I move work between them the project context sits on disk, not in a chat session. Did the asset decisions carry over, or did you re-explain them?

bytesworms2 days ago

lighting in UE wins, the grass looks way softer. how much of the port did fable get right first try?

Brjan | AI Builder1 day ago

how does the performance of Fable 5.1 compare to Astra for this port?

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Here's the latest update for my Unity game. Up and running thanks to GPT 6 Astra x Blender MCP x Unity CLI. Maximised it before the reset LOL Put together using the same pipeline (from my previous posts). Watch till the end for the full in-game gameplay video! Sound ON 🔉

Here's the latest update for my Unity game. Up and running thanks to GPT 6 Astra x Blender MCP x Unity CLI. Maximised it before the reset LOL Put together using the same pipeline (from my previous posts). Watch till the end for the full in-game gameplay video! Sound ON 🔉

Chong-U

52,183 views • 3 days ago

Unreal Engine 5.8 has AI integration with Claude and Codex. Runs in terminal beside the engine, connected via MCP to fully control the Editor. Place props, generate cities procedurally, and even art direct the lighting. Unreal Engine 5.8 available today. Pretty much any Unreal game from now on is gonna need an AI label.

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Grummz

504,553 views • 2 months ago

Dev day 382: I ported mesh blending to Unity 6 The effect has been making its rounds online for Unreal and I WANTED IT FOR UNITY! and Finally I have it in my game. It is so nice to get rid of the nasty seams in my procedural mesh based world! #wishlistwednesday #VFX #UNITY

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Jussi Kemppainen | Drivers of the Apocalypse

25,961 views • 1 year ago

GPT 6 Astra x Blender x Unity Trying to see how far it can get with recreating a playable Unity game based on an image. First off... a floating blimp.

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Chong-U

111,861 views • 5 days ago

Fable 5.1 owes me a fucking apology. I gave Astra and Fable the same photo and asked them to draw me in Paint using computer use. I fucking lost it.

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Alexey Fateev

1,191,557 views • 6 days ago

Trying Fable 5.1 in unreal engine. I’ve got a pretty serious physics game demo prompt to toss at it with the MCP. 5.6 Sol did well on this, in an environment like Unreal Engine there is so much room for improvement! Claude typically is better in 3D so I’m super curious..

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MattVidPro

11,955 views • 10 days ago

I used Cursor to vibe code a simple fishing game prototype on the Unity Engine. Here's my learnings: - I did not use any Unity MCP for this. The game was built entirely by Cursor models (Sonnet 4.6 for execution and Opus 4.6 for planning) - The model was able to set up the game, getting the basic game mechanics working fairly quickly - I had to use the Unity Game Editor UI to attach components to the in-game objects manually, but it was quite easy to follow the instructions given by the Cursor model - Unity Editor is huge and slow! Compared to Godot, I find the UI really clunky I feel tired looking at it - Unity Assets Marketplace is amazing, there are so many amazing art assets there (like the ones I am using for this game). This is probably the biggest strength of Unity. - I had some issues with restoring checkpoints, probably because of how Unity Game Editor UI being really clunky and I had to manually adjust things in the Editor, which the model doesnt have knowledge of Overall, the results turn out pretty decent, but it was a rather frustrating experience, especially when I had to debug issues or rollback changes. I'll explore more vibe coding on Unity but for now, I think I prefer Godot as a game engine. I just wish there is a Godot Asset Marketplace!

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Danny Limanseta

186,148 views • 5 months ago

Palworld was originally built on Unity Engine but the entire project was actually scrapped to be rebuilt on Unreal Engine Which is why the team went radio silent

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Jake Lucky🔜TGS

22,475 views • 6 hours ago

I asked Astra (GPT-6) and Fable 5.1 both to build GTA VI like game researching about it, and the results are below. Same prompt. Fable took ~2 hours; Astra took ~90 minutes. Watch the full gameplay side by side below, with audio switching every 10 seconds

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Mehul Mohan

320,142 views • 8 days ago

OH MY GOSH ASTRA. GAMING = SOLVED! This is absolutely INSANE! This was not built in Blender. Nor was it built in Godot, Unity, or Unreal Engine. This is just Astra flexing its muscles on the rest of the models to say: I AM THE BEST What can I say? Is RocketLeagueBench saturated? I honestly think so at this point. My jaw is on the floor. This looks so incredibly good. Just you wait to see what people are going to build with this model. WOW.

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am.will

1,237,210 views • 7 days ago

Dispatch, @theAdHocStudio's breakout superhero narrative comedy, was built in Unreal Engine with the studio utilizing Blueprints, Sequencer and Control Rig to power up the game🦸 Fly yourself on over to the Unreal Engine website to check out our feature on it:

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Unreal Engine

19,354 views • 4 months ago

Unreal Engine 5.8 ships today with experimental MCP server support: Your sources, your pipeline and your workflow—simply configure the MCP plugin and connect to any agent. Get familiar with the MCP server and the PCG Primitive Plugin today and see what teams can build together:

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Unreal Engine

3,037,397 views • 2 months ago

Unity shipped NEW official plugin for AI agents. They released it for Claude Code, but of course I tested it with Codex CLI. GPT-6 is better now😁 Setup got quicker: it's on the Codex marketplace too, one command to hook up. You still install the package with the CLI inside Unity, the simplification is on the agent side. I've been on a custom Unity MCP for months, so I wanted to see if the official become better. It did improved. My test setup: Unity MCP + Blender MCP together. The agent generated models, rigged and animated them in Blender, then wired everything into Unity. For rigs and animations this is flat out the best setup I've tried: just give it Blender via MCP! Watching GPT-6 autotest the game is something else. It writes autotests fast, they catch real bugs, and on my recording it's blasting through test runs like a maniac. 27 skills right now, and the Unity team says more updates are coming. If you want to build your game with AI today, pick Unity. Everything is simply faster. Unreal works too, but it's a much harder road. Source - Install:

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Stefan 3D AI

40,285 views • 1 day ago

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Unity

612,371 views • 1 month ago

Fable: "you have Unity and access to MCP. I want you to build a game that is a unique twist on a FPS. You want the player to say "wow" & "so clever" and to enjoy the core gameplay loop" WebGL: * It had no assets so the graphics are procedurally generated

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Ethan Mollick

211,846 views • 2 months ago

I rarely do games, but I told Astra to make me a game like FTL and switched to other stuff. I started hearing some music and went to check, it was playing the game it made. I wonder if it'll get see super mad and try to toss its version of the ipad when it dies on the final boss at 1HP

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SIGKITTEN

18,815 views • 8 days ago

just wrapped up the PBR path tracer for my engine, and looks like it's about 5x faster than Unreal Engine and 12x faster than Unity for the same scene. goal is to make this real time

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Gabriel Dechichi

79,337 views • 6 months ago

Want to see how I made my 2 Day XR Game using Vision Pro, Unity and xAI ? Here's how I made it:

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Preston Platt

16,160 views • 1 year ago

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