Core is an endless universe of games and worlds designed by a global community of creators. It's a radically accessible game construction kit, content exchange, and game-playing platform, all in one.

The best Game Development alternative to Roblox is Core Games, which is free. If that doesn't suit you, our users have ranked more than 50 alternatives to Roblox and seven of them are Game Development Tools so hopefully you can find a suitable replacement. Other interesting Game Development Tool alternatives to Roblox are nanos world, dot big bang, MAGE and Buildbox.
Core is an endless universe of games and worlds designed by a global community of creators. It's a radically accessible game construction kit, content exchange, and game-playing platform, all in one.

Play in unique, community-made game modes, create custom addons with Lua, and import assets from Unreal Engine 5. Host your own server and enjoy endless gaming possibilities with friends!





dot big bang is a browser based video games platform where people can play, make, and share games. It works on any device with a browser, with crossplay on all platforms.



MAGE stands for MAKE A GAME EXPERIENCE
The goal for MAGE is to make it as easy as possible for people to create their own 3D universes, adventures and stories. PLAY WHILE YOU CREATE!.
Buildbox is a breakthrough game creation experience. Creating games is as easy as dropping images into the software, making changes to their properties and hitting play.

Sploder is an online game creator. Create fun games that you can publish to the net and email to friends.




You don't need to download anything at all to play games in Sploder unlike roblox you need to download the client and the client don't support Linux, therefore Sploder is portable and can play on any device with a web browser, although its easier to play on the computer.


Most users think Sploder is a great Roblox alternative.



nanos world is more like Garry's Mod. It is still a sandbox game though.