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I already have entities spawning in my biome. this.addSpawn(EntityClassification.CREATURE, new SpawnListEntry(EntityType.CHICKEN, 50, 1, 10)); this.addSpawn(EntityClassification.CREATURE, new SpawnListEntry(EntityType.COW, 50, 1, 10)); this.addSpawn(EntityClassification.CREATURE, new SpawnListEntry(EntityType.PIG, 50, 1, 10)); this.addSpawn(EntityClassification.CREATURE, new SpawnListEntry(EntityType.SHEEP, 50, 1, 10)); and when I set the surface block to generate as grass they spawn, but when it's my block they don't.

I've tried having the block extends GrassBlock and I've tired adding @Override public boolean canCreatureSpawn(BlockState state, IBlockReader world, BlockPos pos, EntitySpawnPlacementRegistry.PlacementType type, @Nullable EntityType<?> entityType) { return true; } @Override public boolean canEntitySpawn(BlockState state, IBlockReader worldIn, BlockPos pos, EntityType<?> type) { return true; }

I am working on creating a custom biome, and I am only running into a single issue. Vanilla mobs will not spawn on my custom block that is the surface level block. Is there any way to make mobs spawn on a custom block?