trial VS Duality

Compare trial vs Duality and see what are their differences.


A fully-fledged Common Lisp game engine (by Shirakumo)
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trial Duality
3 2
331 1,312
34.7% 1.1%
9.1 1.7
12 days ago 4 months ago
Common Lisp C#
zlib License MIT License
The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.


Posts with mentions or reviews of trial. We have used some of these posts to build our list of alternatives and similar projects.
  • Trial: A fully-fledged Common Lisp game engine
    1 project | | 30 Apr 2022
  • Our Lisp game, Eternia: Pet Whisperer is now out on Steam!
    1 project | | 5 May 2021
    Kandria and Eternia both are built on top of the game engine Trial, which I and a few others at Shirakumo have been working on for some years now. Trial itself makes use of a bunch of lower level libraries like cl-opengl, GLFW, pngload, harmony, etc. but a huge amount of the codebase was written by me. If you're interested in its development, I recommend hopping by the #shirakumo channel on the Freenode IRC network. I'd be happy to answer questions there!
  • Idiomatic way to handle non GC objects, i.e. OpenGL textures ?
    1 project | | 16 Apr 2021
    A good way to do it is to keep a staging area of sorts that keeps track of the manually allocated objects and their state. When you allocate you batch all objects to allocate together and then execute the load in one go, updating the records in the staging area. Then, when you're ready to switch to a different scene or whatever, you diff the staging area against the current set of objects that need to be live and deallocate everything else in one go.


Posts with mentions or reviews of Duality. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2022-04-21.

What are some alternatives?

When comparing trial and Duality you can also consider the following projects:

Stride Game Engine - Stride Game Engine (formerly Xenko)

MonoGame - One framework for creating powerful cross-platform games.

Wave Engine - This repository contains all the official samples of Evergine.

UnrealCLR - Unreal Engine .NET 6 integration


Nez - Nez is a free 2D focused framework that works with MonoGame and FNA

SadConsole - A .NET ascii/ansi console engine written in C# for MonoGame and XNA. Create your own text roguelike (or other) games!

Battle-Cats-Save-File-Editor - Battle Cats Save File Editor made in C# that requires root/rooted emulator and a PC - devtodev SDK for Windows and Windows Phone

UrhoSharp - Code to integrate with the Urho3D engine

BEPUphysics - Pure C# 3D real time physics simulation library, now with a higher version number.

CocosSharp - CocosSharp is a C# implementation of the Cocos2D and Cocos3D APIs that runs on any platform where MonoGame runs.