Minetest is an open-source voxel game engine and client combination. There are free client applications available to download for Windows, macOS, GNU/Linux, FreeBSD, OpenBSD, DragonFly BSD, and Android.
After you have downloaded, installed and played around with the game itself – come join us: YetiCraft has an easy survival server running and available for all to play at
play.yeticraft.net on port
30000 . Just use the tab in the client and search for YetiCraft!