Havok is a game engine specifically designed for physics simulation and is often used in conjunction with other game engines to enhance the realism and interactivity of games.

GameMaker Studio is a drag-and-drop game engine that allows users to create games without extensive programming knowledge.

Unreal Engine is known for its advanced graphics capabilities and is widely used in AAA games such as Fortnite, Gears of War, and Mass Effect.

Source Engine is an open-source game engine developed by Valve and is known for its modding capabilities, which have led to the creation of popular games like Counter-Strike and Team Fortress 2.

Unity is known for its cross-platform support, allowing developers to easily port their games to multiple platforms, including PC, mobile, and VR.

Lumberyard is an Amazon-developed game engine that features advanced AI capabilities, making it suitable for games that require complex decision-making and strategic gameplay.

VBS3 is a game engine specifically designed for military training and simulation purposes, providing realistic environments and physics for immersive training experiences.

Ren'Py is a visual novel engine that features a powerful scripting language, allowing developers to create complex branching narratives and dialogue systems.

Photon Engine is a multiplayer game engine that provides robust networking and matchmaking features, making it ideal for online games with large player counts.

id Tech is a game engine developed by id Software and is known for its focus on 3D graphics and fast-paced gameplay, making it a popular choice for first-person shooters and action games.

Godot Engine is an open-source game engine that features a modular design, allowing developers to easily add and remove features and customize their games to their specific needs.

GameMaker Studio is a game engine that is specifically designed for 2D game development, making it a popular choice for platformers, puzzle games, and retro-style games.

MotionBuilder is a game engine that specializes in character animation and motion capture, making it a valuable tool for creating realistic and expressive character animations.

No Man's Sky is a game engine that features advanced procedural generation algorithms, allowing developers to create vast and diverse worlds that are unique to each player.

Havok is a game engine that specializes in physics simulation, providing realistic and interactive physics for games such as racing games, sports games, and action-adventure games.