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Pro Realistic rendering of vegetation and landscapes
Where Cry Engine really shines is with rendering scenes of nature. The Crysis games feature incredibly detailed vegetation and weather effects and it's the Cry Engine that enables that. The engine has many features to create a cohesive realistic looking world. Dynamic water effects allow users to have beautiful oceans, fog and cloud effects allow for realistic weather, and a plethora of lighting effects optimized for natural looking scenes make Cry Engine one of the best engines for creating vast beautiful landscapes.
By having all these features built together from the ground up, Cry Engine is capable of doing more complex effects more efficiently, than other engines that didn't have these effects planned from their inception.
Pro Dynamic water rendering
Cry Engine has realistic water effects that even simulate ocean physics. Features such as waves that respond to global wind, and dynamic water volume tessellation allow for some of the most realistic water effects available to a game developer. The engine also takes into account LOD (level of detail) on water geometry to allow it to stay performant for water at a distance.
Pro Features allowing for realistic weather effects
Cry Engine has volumetric fog rendering which allows for realistic cloud shadows that actually render shadows onto the fog itself. Combined with their time of day system, it's possible to create incredibly realistic weather effects. On top of this, color grading allows user to post process pallets allowing them to change the color tone for different type weather, such as using a deep dark blue for rain.
Pro Pay what you want payment model
Crytek has announced that beginning with Cryengine V, they will adapt a "Pay what you want" business model. This way the offer game developers everywhere total access to all of the engine's features and services for a price of their choosing. Plus they will have no obligation to pay royalties or additional fees for select services.
Developers who decide to make a contribution to Cryengine can choose to allocate up to 70% of that contribution to Crytek's new Indie Development Fund which is a grant program that will help support promising indie developers with their projects around the world.
Pro Advanced volumetric cloud system
Cryengine has an optimized volumetric cloud system for Virtual Reality to give clouds full 3D spatial rendering. This ensures a high rendering quality with a minimal performance hit.
Pro C# integration
Pro Versatile flow diagram script model
Flow graphs resemble flowcharts where each box represents a function or value, with connections between them representing program flow. This provides a better at-a-glance indication of game logic than a simple list of events, and makes complex behaviors easier to accomplish.
Pro All platforms, including next-gen consoles, are supported
Supports miltiple platforms including: Xbox One, Xbox 360, PS3, PS4, Wii U, PC, iOS, and Android.
Pro Dedicated channel for Q&A
Pro Disallows bad practices in asset creation
Simply by looking at the RC log when exporting can greatly improve your work. Cryengine doesn't handhold you constantly and helps greatly with avoiding bad practices in asset creation.
Pro VR support
Cryengine (starting on Cryengine V) has Virtual Reality support. Developers can create games with VR support for multiple platforms: PlayStation VR, Oculus Rift and HTC Vive.
Pro Online marketplace available
The Cryengine marketplace is an online marketplace which enables developers to access and use individual assets from thousands of materials, sounds and 3D objects created by the community. Even Crytek's own library assets are available there.
Con Steep learning curve
Except for basic FPS games getting anything done will require solid knowledge of C++, Flash, ActionScript and Lua.
Con Windows only
Con Hard to develop games other than FPS
Cryengine is a great engine to be used for developing an FPS (and it's relatively easy to do so). But if you want to develop another type of game, it requires at least advanced knowledge of C++ and Visual Studio.