Electronic Arts recently revealed that Battlefield 6 would release with a UGC ecosystem called Portal, while battle-royale pioneer PUBG is currently testing its own UGC tools. PUBG: Battlegrounds | Image credit: KraftonPUBG's UGC tools are currently in an early testing phase. Tough startMaking a UGC game successful from the ground up, by comparison, is significantly harder. This is the approach taken by Manticore Games, creators of the Core game creation platform. Small is beautifulIt's worth noting that not every developer with UGC tools is necessarily looking to become the next Minecraft.