S2 ENGINE HD is described as 'Developing games is as fun as playing them using S2 ENGINE HD!'. There are nine games similar to S2 ENGINE HD for Windows, Linux, Mac, HTC Vive and Oculus Rift. The best alternative is Unreal Engine, which is free. Other S2 ENGINE HD like games are CRYENGINE (Free Personal), Torque 3D (Free, Open Source), FPS Creator Classic (Free, Open Source) and NeoAxis 3D Engine (Freemium).
Unreal Engine is a professional suite of tools and technologies used for building high-quality games across a range of platforms. Unreal Engine’s rendering architecture enables developers to achieve stunning visuals and also scale elegantly to lower-end systems.
FPS Creator sets a new benchmark in the game creation market by providing an easy-to-use yet highly flexible editing environment. As its name implies this is a tool for creating action-packed FPS games with no programming or 3D modelling knowledge required.
Leadwerks Game Engine provides the smoothest learning curve to take you from beginner to full-fledged game developer. Use the visual editor and the flowgraph system to set up game interactions without code. Use Lua to write your own game scripts.
MANU is an easy to use Video Game Maker. Making your own 3d arcade games with MANU is easier than ever. No code. No limits. Save a lot of development time and enjoy convenient and joyful way to develop game mechanics. Have fun while creating.