When people say Fortnite ripped off mechanics from other games they need to realize that Minecraft literally stole one of its Mining and building mechanics from an other game called Infiniminer :
Infiniminer by Wideshanks on DeviantArt
8 Video Game Rip-Offs Better Than The Original – Page 7
Infiniminer – Minecraft Wiki
Infiniminer - Le jeu à l'origine de Minecraft - Minecraft.fr
Infiniminer – Minecraft Wiki
Infiniminer Download & Review
Hardcore Gaming 101 - Blog: All matter is made up of large cubes: Manic Digger and Infiniminer
Infiniminer Skin Pack | Minecraft Skin Packs
Infiniminer – Minecraft Wiki
Infiniminer | Software | TechTudo
Infiniminer Review - Games Finder
Infinifactory: Das bessere Minecraft? - Infiniminer wird fortgesetzt
Infiniminer - Minecraft's original inspiration. : r/Minecraft
Infiniminer MOD Minecraft Mod
Lade Infiniminer 1.5 für Windows herunter | Uptodown.com