World of Guns: Gun Disassembly is a sandbox puzzle game based on disassembling real-world guns and other mechanisms.

Gameplay

In World of Guns, the player can assemble and disassemble numerous weapons and mechanism in the 3D environment. All the models are accurately recreated using original weapons and technical documentation. They include even the smallest details and let the player explore the inner mechanisms. All models come with detailed descriptions so the game can serve as an interactive encyclopedia. Additionally, the game features shooting ranges with timed objectives.
The game offers several game modes: free learning of any weapon or disassembling/assembling by memory or against the clock. The results can be uploaded to the online leaderboard.
The game’s models catalog includes more than 190 models of firearms, automobiles, aircraft, and motorcycles. Developers continuously increase the number of models available in the game.
World of Guns is a free-to-play game. Initially, most of the models are locked. To unlock them you can spend in game-currency, which you get from completing challenges or via microtransactions. There are several DLC packs with exclusive models. Some of them even include animals and dinosaurs skeletons.