For now, just press the green flag. Press C to insert a command. Possible commands are... "Clear Console" "Clear World" "Generate World"
Beta 1.0 : Forest biome Beta 1.01 : Ores spawn less frequently Beta 1.1 : Trees & Grass Beta 1.2 : Jungle Biome Beta 1.3 : Mushroom Biomes Beta 1.4 : Different Backgrounds Beta 1.5 : Added console Beta 1.6 : Improved Console Beta 1.7 : Added commands Beta 1.8 : Added WIP Character Beta 1.9 : Added biome specific music. I'm planning on implementing a better character in Beta 2.0.