When comparing Duality vs ShiVa, the Slant community recommends Duality for most people. In the question“What are the best 2D game engines?” Duality is ranked 30th while ShiVa is ranked 92nd. The most important reason people chose Duality is:
The full source code is available on GitHub, where the framework is actively developed. All of the editor, core and plugin code is written in C#.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Open source
The full source code is available on GitHub, where the framework is actively developed. All of the editor, core and plugin code is written in C#.
Pro Great editor
Duality includes a powerful visual editing system that can be used for previewing, integrating, editing and testing game content.
Pro Live reload of code and assets
Pro Very extensible
Because both Core and Editor are completely plugin-based, Duality not only incorporates a clean and modular design, but is also very extensible - even if it wasn't Open Source. In fact, most of the standard editing capabilities comes in form of Editor plugins.
Pro Built-in physics and lighting
Pro Friendly to version control systems
It can be configured to serialize all data in a text-based format, which has been structurally optimized for version control systems.
Pro Used in commercial projects
It has been used in a production environment without burning the place to the ground. Supposedly artist-proof editor workflow with an API for tailoring the system to fit your team.
Pro Straightforward pricing with capable free option
The free ShiVa Web version is limited to web publication, but otherwise has the same capabilities as the $200 ShiVa Basic. Upgrading to the $1000 ShiVa Advanced brings tools geared toward team development and professional releases, such as integrated SVN support and profiling tools. All versions are royalty-free.
Pro Lua can be used for fast coding and C++ for optimization
All game logic can be scripted in Lua. ShiVa also provides a cross-compiler from Lua to C++, allowing Lua scripts to be further optimized and compiled to native code for performance.
Pro Great support
In addition to the help forum, Basic and Advanced licensees have chat and direct email access to the developers.
Pro Native c++ export
Pro C++ plugin development options
Pro Great performance on mobile
Smaller platform specific executables, native code export, good FPS even for complex scenes. ShiVa has great advanced optimization features, including PVS and LOD, decreasing number of drawcalls even in complex level. Platform specific profiles allow developers to customize size and compression level for textures and test those settings directly in editor. Other engine features, like lightning baking, mesh combining and GPU skinning will boost performance too.
Cons
Con Visual Studio required
To have possibility for scripting you have to download entire Visual Studio and spend 10 GB of free space
Con Requires windows for development
Con ShiVa 2.0 has been worked on for nearly 4 years!
After 4 years of development and promises ShiVa 2.0 has JUST gotten into beta access.
Con Outdated
The current version 1.9.2 of ShiVa was released in December 2013. While there is active development on version 2.0, its beta is available only to paid licensees of the current version.
Con High Cost
Costs $200 for the basic version alone, which allows you to publish to any format other than web. The Team/Pro version costs $1000