Apps with 'Moddable' feature

Open-source browser with Gecko engine, supporting HTML add-ons and providing privacy features like Enhanced Tracking Protection and third-party cookie blocking.

Venture into endless 3D worlds where creativity meets exploration and survival. Craft, build, and explore to your heart’s content against ongoing challenges.

Luanti is a near-infinite-world block sandbox game and a game engine, inspired by InfiniMiner, Minecraft, and the like.

SuperTuxKart is a free 3D kart racing game; we want to make the game fun more than we want to make it realistic. You can play with up to 4 friends on one PC, racing against each other or just try to beat the computer (a network multiplayer feature is planned).

Half-Life is a science fiction first-person shooter video game developed by Valve Software, the company's debut product and the first in the Half-Life series.

MediaMonkey is a music player and a music library manager with support for 50,000+ files and many features for organizing, tagging, converting and burning your music. It also has advanced podcasting and syncing features.

Veloren is a multiplayer voxel RPG written in Rust. It is inspired by games such as Cube World, Legend of Zelda: Breath of the Wild, Dwarf Fortress and Minecraft.

osu! is a rhythm game based on the gameplay of a variety of popular commercial rhythm games. While aiming to keep authentic gameplay and scoring, osu! increases the epic factor through online rankings, multiplayer, replay exchange, and a huge community following.

Experience action-adventure gameplay in open-world settings, with missions and side activities set in cities reflecting American locales.

Dig, fight, explore, build! Nothing is impossible in this action-packed adventure game. The world is your canvas and the ground itself is your paint.

An open-source clone of the classic game Transport Tycoon Deluxe. It attempts to mimic the original game as closely as possible while extending it with new features.

Team Fortress 2 (TF2) is the sequel to the game that put class-based, multiplayer team warfare on the map. One of the most popular online action games of all time, TF2 delivers constant free updates including new game modes, maps, equipment and, most importantly, hats.

The original Final Fantasy games are brought to life with completely new graphics and audio in the 2D pixel remaster series.

Create complex supply chains, produce materials, and defend against enemy waves in this cross-platform sandbox tower defense game.

Garry's Mod is a Sandbox Game based around the idea of building. Unlike most other games there aren't any objectives - you can't lose and you definitely can't win. Doesn't work on MacOS 11.15 or higher.

Unreal is a series of first-person shooter video games developed by Epic Games.

OpenMW is an free and open-source game engine recreation that reimplements the one powering Bethesda Softworks' 2002 open-world role-playing game The Elder Scrolls III: Morrowind.

Cities: Skylines is a modern take on the classic city simulation. The game introduces new game play elements to realize the thrill and hardships of creating and maintaining a real city whilst expanding on some well-established tropes of the city building experience.

No Man's Sky is an action-adventure survival video game developed and published by the indie studio Hello Games.

The Nexus Sites are a large network of community driven websites that support the free and open sharing of video game mods and downloadable content in a welcoming environment. Our focus is on providing simple yet powerful tools that make sharing game mods a pain-free and...

A game famous for geting you hooked from the start. You build and optimize a factory and well, its addictive.

An action-adventure video game that follows the player character as they explore a planetary system stuck in a 22-minute time loop that resets after the sun goes supernova and destroys the system.

Survive, farm, build, explore, play with friends, and do much more. Inspired by Minecraft, pushing beyond.

RPG Paper Maker is a free game maker engine including a 3D universe with many 2D sprites and some simplified 3D objects. Pretty close to the RPG Maker series, RPG Paper Maker finally give a way to create RPGs in a totally 3D universe as easy as it is in 2D!

RimWorld follows three survivors from a crashed space liner as they build a colony on a frontier world at the rim of known space. Inspired by the space western vibe of Firefly, the deep simulation of Dwarf Fortress, and the epic scale of Dune and Warhammer 40,000.