UMod: Ultimate Sandbox Online3.0.0 - App Store

Want to join the biggest physic sandbox game on mobile? Ultimate Sandbox is right here for you.

Enter the gigantic physics simulated environment with unlimited toolsets and unlimited amazing mods. No rules, no limitations, you are free to do anything with the world. Explore many interesting game modes that match your style. Join our world on your own way, alone or with friends.

Here are the top features of our game:

- Accurate Physics system: our game uses the most advanced Physics technology, to give you the best physics environment you've ever seen.

- Many transports to pick from: Feel tired of running? Don't worry, our game provides plenty of transports for you: garry's jetpack, car, plane, aircraft, tank, submarine, etc , you name it.

- Online with other players: Feel lonely? You can create your own world yourself, or get help from other friends. Show them your fascinating mod!

- Lots of items: Select what you need from hundreds objects, to help you build your own creative world.

- Stylist 3D graphic: The game has a nice visual style that hardly found on any games with the same genre.

- Interesting mods & game modes: play anything that you want: Hunting Prop, Who is Garry, Prop Battle Royale, etc.

With more and more updates are coming, Ultimate Sandbox is gonna be the biggest sandbox game of all time. What are you waiting for? Grab your phone and start building your dream world with us, today!

Version History A remake version from popular time in 2019, with improved networking and optimizations 3.0.0 06/17/2025 + Temporarily remove some cloud-related functions.
+ Fix a case where the game is stuck when you can't connect to backend's api.
+ Fix 'Kick' button not working properly
+ New saving file format. Now saving onto a persistent path for all platforms. In the future, there will be an option to easily transfer the maps between devices .
+ Add an option to delete saving files in main menu, as well as one to choose a file before creating room in singleplayer & multiplayer mode. 2.6.5 09/14/2023 + Fixed the dark ocean in Ocean map.
+ Fixed texture issues on Volcano & Hill maps.
+ Improved ads flow, ads are no longer displayed when entering or exiting game room.
+ Improved kick feature.
+ Improved cheat detection system.
+ Added a new [Max FPS] slider.
+ (Internal) In-game scene flow has been improved in preparation for new feature(s). 2.6.3 11/28/2022 + Fix a bug causes iOS to stuck on loading screen.
+ Fix a bug with chat can cause lag to other players.
+ Remove NPC from Lava Boss.
+ Reduce healing effect from Lava's Healing Eggs.
+ Fix a bug where Ocean map can be loaded properly. 2.6.1 01/21/2022 + New Christmas UI theme.
+ New map upload & share system.
+ Add a new game mode: Free For All.
+ Add a new game mode: Props Hunt.
+ Add a new package : Christmas aka Snow pt 2.
+ Fix a bug where character being cloned in some cases.
+ Fix some bugs with ragdoll.
+ Fix a bug where Hill map is error on load.
+ Fix a bug cause some vehicle
+ Fix various bugs. 2.6.0 12/23/2021 + Fix a bug that always show on offline mode.
+ Fix a bug that doesn't show server list properly.
+ Fix a bug that doesn't allow to claim rewards.
+ Update some visual effects on Heretic Boss Fight.
+ Modify Heretic Boss Fight mechanic. Vehicles with gun are not allowed. 2.5.4 11/11/2021 + Add dance animation.
+ Add new free prop category : Shop
+ Fix a bug where surfboards / canoes can be driven on land.
+ Fix some Human Cannon issues.
+ Fix text filter.
+ Fix a saving bug on iOS.
+ Fix some small issues. 2.5.2 09/18/2021 + Fix changing region doesn't show correct rooms at that region.
+ Fix an UI bug on room list.
+ Fix an issue where Ultimate Rotor can be assigned to all 6 slots.
+ Fix human cannon issues.
+ Fix an office prop can't be cloned / snapped.
+ IOS: fix another bug that causes crashes. 2.5.1 08/26/2021 + Basic membership package.
+ Ultimate Gun features : Snap / Clone / Move unlocks for all Gravity Gun
+ New prop category : Office ( free )
+ Addition props to Scifi category.
+ Human cannon mechanism.
+ Dual-player vehicles : BattleCopters and BattleCars.
+ New special weapon : Flint-lock
+ New Gravity Gun skin : Ultimate Rotor.
+ New character: Herbek
+ New NPCs : Werewolf & Alien.
+ Add new renting weapon system.
+ Region-based multiplayer. Now you can enjoy the game with less ping.
+ Improve cheat-detection system.
+ Fix crash issue.
+ Fix abnormal large app size. 2.5.0 08/20/2021 2.4.5 08/01/2021