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Reforged Engine

@reforgedengine

2.5D Isometric Game Engine ECS • MonoGame • TMX/Tiled Z-Sort • Multi-Floor • Occlusion Inspired by Ultima Online

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13.12.2025
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Latest posts by Reforged Engine @reforgedengine

That's awesome. Siege of Avalon is a classic.
I'm currently building my own MonoGame isometric engine inspired by Ultima Online style worlds.
Curious — how did you handle depth sorting and occlusion back then?

11.03.2026 01:21 👍 1 🔁 0 💬 0 📌 0
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Mass combat stress test in my MonoGame engine.
This test produces more spell casts per second
than real players can physically do.

Still running:
• deterministic 60Hz simulation
• TickAvg ~9–12 ms
• TickDrift = 0
2.5D isometric engine inspired by Ultima Online.
#gamedev #monogame #indiedev #solodev

08.03.2026 21:05 👍 7 🔁 2 💬 1 📌 0

Thank you.

09.03.2026 15:30 👍 1 🔁 0 💬 0 📌 0

I love isometric games like Ultima Online, Baldur's Gate, and Diablo, and nowadays, most isometric games are fake 2.5D 3D with a 45º camera, but I want to create a true 2.5D perspective engine and recapture the nostalgia of isometric games.

09.03.2026 14:59 👍 1 🔁 0 💬 1 📌 0

MonoGame Developer

09.03.2026 02:53 👍 1 🔁 0 💬 2 📌 0

Thank you ;)

09.03.2026 02:47 👍 0 🔁 0 💬 0 📌 0
Video thumbnail

Mass combat stress test in my MonoGame engine.
This test produces more spell casts per second
than real players can physically do.

Still running:
• deterministic 60Hz simulation
• TickAvg ~9–12 ms
• TickDrift = 0
2.5D isometric engine inspired by Ultima Online.
#gamedev #monogame #indiedev #solodev

08.03.2026 21:05 👍 7 🔁 2 💬 1 📌 0
Post image

Totally agree. CentrED# lowered the barrier a lot for world creators.
UO’s longevity really comes from both creators and toolmakers.
I’m developing a modern 2.5D UO-inspired engine, and this kind of work is exactly what motivates me.
soon we’ll be publishing demos and gameplay mechanics 😉

28.01.2026 19:08 👍 2 🔁 0 💬 0 📌 0

I’m developing a 2.5D engine for a UO-like game, and map creation is one of the hardest parts.
It’s not just placing houses randomly, it’s about biome transitions, flow, and coherence.
This map does that extremely well. Incredible work.

28.01.2026 14:57 👍 1 🔁 0 💬 1 📌 0

Beautiful Map, congrats

27.01.2026 16:04 👍 1 🔁 0 💬 1 📌 0
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08.01.2026 15:25 👍 9 🔁 4 💬 3 📌 0

Deterministic isometric Z-sorting.

Player, trees, walls, corners and props
all competing correctly in depth

• No Y/Z draw hacks
• No sprite-size tricks
• Data-driven sort (FeetIso.Y + semantic layers)

What you see is exactly what the map author defined

Built on MonoGame ECS-first. #Monogame

08.01.2026 15:25 👍 5 🔁 1 💬 1 📌 1

#gamedev #monogame #isometric

09.01.2026 00:44 👍 3 🔁 0 💬 0 📌 0
Video thumbnail
08.01.2026 15:25 👍 9 🔁 4 💬 3 📌 0

Deterministic isometric Z-sorting.

Player, trees, walls, corners and props
all competing correctly in depth

• No Y/Z draw hacks
• No sprite-size tricks
• Data-driven sort (FeetIso.Y + semantic layers)

What you see is exactly what the map author defined

Built on MonoGame ECS-first. #Monogame

08.01.2026 15:25 👍 5 🔁 1 💬 1 📌 1

I’m building Reforged Engine.

A 2.5D isometric game engine focused on:
• ECS-first architecture
• Deterministic, tick-based simulation (UO-inspired)
• Clean separation between logic and rendering
• TMX/Tiled workflow with multi-floor worlds

Built with MonoGame (C#).

More soon.

13.12.2025 18:58 👍 11 🔁 2 💬 0 📌 0

I’m building Reforged Engine.

A 2.5D isometric game engine focused on:
• ECS-first architecture
• Deterministic, tick-based simulation (UO-inspired)
• Clean separation between logic and rendering
• TMX/Tiled workflow with multi-floor worlds

Built with MonoGame (C#).

More soon.

13.12.2025 18:58 👍 11 🔁 2 💬 0 📌 0

Using EndeavourOS (Arch-based) for engine development.
MonoGame has been solid and predictable on Linux so far.

13.12.2025 18:52 👍 1 🔁 0 💬 0 📌 0