Moddable

You can use the combat simulator to simulate the battle pace under three damage calculation formulas (addition, division, multiplication), and in the settings, you can choose to restart after the battle ends to calculate win rates.

Merlin is a 3D Virtual Tabletop that combines the powers of Unreal Engine and Foundry VTT.

Gabe's Mod is a physics sandbox where there are no set objectives or goals. We provide you with the tools and let you explore and create freely.

In the distant Milky Way galaxy, there hides a mysterious planet named Mozi Planet. This planet has a vast and boundless ocean, and every drop of seawater is shining with a mysterious light, as if telling the ancient interstellar secrets.

Survive in a giant simulated historical city. Grow from a street rat to a tradesman, a priest, a smuggler, an alchemist, a spy, or perhaps someday a leader to rival the Overlord. A free-roaming sandbox megasim RPG set in a fantasy Constantinople.

Build your own car and go racing.

Wrench scrap tech from corporate machines with your grappling hook and bolt it to your spaceship. Use it to propel yourself to reckless speeds and smash the technofeudalist bosses who've stolen the world beneath your feet. Everything in this action physics sim is an opportunity for chaos and speed.

Build rockets and fly them around the Solar System in this realistic aerospace sandbox. Attempt landings, build space stations, drive rovers, perform spacewalks, explore alien worlds, and get your crew home safe.

COME ON DOWN!! If you live for chaotic numskully activities while trying to survive with your pals, then the tunnels might be right for you.

Hardware Excalibur is a simulation game based on DIY assembly with ‘hardware components’. Explore endless possibilities! Use hardware parts to piece together your ‘Excalibur’, unleash your imagination, and create your own legendary weapon!

Enter Death Remains: an open-world, permadeath survival. Scavenge, build, and barter or battle factions across a harsh sandbox. Master ruthless RPG skills, but remember—when you die, Death Remains.

Tile-based city builder w/ old-school aesthetic & new-school simulation engine. Easy to pick up and put down.