The Best Moddable Games

Trailmakers lets you explore the adventure of building creative vehicles that can be unleashed into the open world. Simulate the driving capabilities of your favorite vehicle: from helicopters to racing cars, combat jets, robots, hovercrafts and many more. The limit is your imagination.

The ultimate physics-based, sandbox battle simulator where you can create funny battles between all sorts of ragdoll creatures! You can also make your own monsters with the unit creator or even join the battles yourself in the first-person mode!

Your purpose is to eliminate all pixel-based lifeforms by breaking off their limbs and destroying their cores. Compete to be fastest on the leaderboards, watch replays from other players to learn their tricks, or team up with a friend in local co-op.

Set in a post-apocalyptic future, The Signal State puts your logic skills to the test with complex puzzles inspired by modular synthesizers. Repair machines, rebuild an abandoned farm, and be part of a revolution that will change the fate of agriculture once and for all.

Buy, sell, and trade organs in a strange and evolving universe. Dive into the quivering innards of alien capitalism in the sci-fi body horror market tycoon game you didn't know you needed.

Parkitect is a business simulation game that charges you with the construction and management of theme parks! Bringing back the best of classic theme park games with many new features and content on top. Now supports online co-op with up to 8 players!

Rescue hostages, disarm bombs and save the day in this old school, side-scroller action game with retro graphics and retro sensibilities. Online and Couch Coop Included.

Ghostlore is an action-RPG based on Southeast-Asian folklore that offers an expansive character and item customization system, unique Glyph and skill Glyph systems, and captivating 2D isometric art. Encounter over 40 different enemies and unleash your hero's powers using multiclassing, Glyphs, weapons, amulets, and Talismans. Local and online multiplayer support adds to its exciting gameplay. However, the game is still a work-in-progress, and players should only purchase it if they are comfortable with its current state.

Create your own creatures to explore online worlds with friends and unlock new parts to upgrade your stats and abilities! Complete quests, fight to the death or just enjoy roleplaying — the social aspect makes it a truly unique multiplayer experience. What are you waiting for? Let's get creative!

The ultimate physics-based, sandbox battle simulator where you can create funny battles between all sorts of ragdoll creatures! You can also make your own monsters with the unit creator or even join the battles yourself in the first-person mode!