They also put together a zombie game and a puzzle game called Star Jewel, just to show fans the flexibility of the toolset. DoTA itself began as a Warcraft map, so in some ways this was bringing the genre back to its roots. They would use the mod tools included in StarCraft 2 to create a little game called Blizzard DOTA, a way to show that you could even make a MOBA-type using the built-in tools. They had a few months to work, so they decided what the hell.