Games Like Halo 2 Mod Tools - MCC

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Get ready for AO Tennis 2 with the incredible AO Tennis 2 Tools. Through this, give yourself a head start by creating all your players, venues and much more!

Extensions for Dwarf Fortress, including bugfixes, interface improvements, automation agents, design blueprints, modding building blocks, and other tools.

A complete tools suite for the Real Virtuality game engine powering Arma 3.

Official MOD TOOLS for the Windows edition of Final Fantasy XV offer new possibilities to our users! Create data to incorporate into the world of FINAL FANTASY XV WINDOWS EDITION for a whole new experience.

An open multiplayer sandbox game; includes tools, props, levels, NPCs, character models, game-modes and much more! Make your own using our mod kit!

Modbox is a multiplayer game creation sandbox for Desktop+VR

Garry's Mod is a physics sandbox. There aren't any predefined aims or goals. We give you the tools and leave you to play.

From the team that brought you Aleph One, the classic sci-fi FPS Marathon 2: Durandal from Bungie on Mac revived for modern hardware by the fan community.

A highly customizable virtual stressball and physics sandbox about mutilating ragdolls in various ways using an overwhelming amount of weapons and tools.

The "Perpetual Testing Initiative" has been expanded to allow you to design co-op puzzles for you and your friends!

Retro Gadgets is a sandbox where you build, code, and customize gadgets inspired by old-school electronics.

cheapskate (pre-alpha, in development, early access) is a highly moddable skate sandbox featuring offliine singleplayer, peer to peer multiplayer, easy mod support, Steam Deck compatibility, and one low price forever.

Developed by the creator of the original Kerbal Space Program, KitHack Model Club is a physics-based model building sandbox that offers limitless freedom for you and your friends. Design, build, battle, fly (and crash!) your very own RC vehicles, or experiment with over 2,400 ready-made vehicles!

Mod&Play - physics sandbox. Manipulate objects and create your own constructions with friends. There are no restrictions or goals, it all depends on you.

A sandbox to build the coolest guns in.

Open Mod is an entirely free to play, niche, tactical, extreme hardcore first person shooter with immersive aspects that may not have been seen before.

Just Cause 3 Multiplayer mod is a free fan-created project bringing an explosive and highly-customizable multiplayer.

Hexagonal puzzle with the ability to edit levels

Soldat 2 is a 2D deathmatch shooter with real guns, ragdoll violence and physics-based movement. Based on classic Soldat with team game modes, ranked multiplayer, bots and built-in customization and level editing. Made by MM - creator of the original.

Unleash your creativity and design your own diorama in Outside the Blocks ‒ a full-featured model builder. Shape the terrain, assemble modular houses, add decorations and put your creation on display!

Step onto the gridiron with Football Simulator and experience the most dynamic and physics-driven football game ever made. Break through tackles, juggle tipped passes, and dive for interceptions to lead your team to victory. Features a fully moddable environment.

Microsoft Maquette makes it easy to sketch and iterate ideas quickly in 3D space. Maquette is a virtual reality tool which aims to make immersive spatial prototyping easy and fast, all from within a VR headset.

Unleash your brainpower in Linkito and ignite the insurgency! Link, build, solve, defuse, and decode by using your logic. Craft your own challenges in the level editor or tackle community creations.

Tournament of Beans is a unique PvP game where you can alter the map to your advantage.

"Take control of all game elements! By selecting Creative Cards, you can change the camera angle, place objects, switch skins, summon enemies, and even create a football match. Becoming an outstanding game designer, creating unique levels and gameplay, with unlimited creativity awaits you."

Simson Tuningwerkstatt 3D

From one of gaming's most iconic sagas, Halo is bigger than ever. Featuring an expansive open-world campaign and a dynamic free to play multiplayer experience.

Explore deep circular worlds in this Physicsvania with couch Co-Op combat, crafting, and ridiculous physics fails! Also bring your own game ideas to life with the powerful engine and integrated game development tools. Each Planetoid is a whole separate game mode that you can fully edit and easily share!

A fully moddable city sandbox with jobs, NPCs, apartments, garages, gangs, and more. Broke Protocol is an open-world action game focused on roleplaying and custom content. Define your goals and identity in a persistent, reactive world where you write your own story.

Mech Merc Company is a 90s style mech combat simulator with business management elements. Buy and sell mechs, customize your mechs, hire and fire AI pilots, manage your business expenses, and complete tactical objective-based missions.

A sandbox game that enables players to watch or take part in a warzone. Players will have access to a variety of tools and features that give them access to customize and change the battlefield however they like.

Infinite is a modern era paintball game that aims to capture the real world aspects of tournament style paintball. Featuring X-Ball format of up to 10V10, Online and Offline Play, markers set to 10.5 ramping, slide or dive into your bunker and engage in competitive matches