It depends on the features you would like to include in your game. The current alpha 1 version can be used to paint tiles, maps, and to write code, I think there’s no problem with really really simple games, it is yet not capable for making music, actor and scene, besides, the runtime is lacking in completeness. I’ll improve editors in alpha 2, 3, then move on to improving the runtime in alpha 4. As the version stage implies, I’d rather claim it feature-complete for generic development until all the alpha stages are complete.
Thanks for your interest and understanding!