You can already get EXPLOBERS for free and now it's even better! 

The game has been improved in the following ways:

• Hold CTRL for slow-motion mode
• Press R to instantly restart stages
• You can now turn the background gridlines on and off
• Choose two different styles of area-of-effect field displays
• Improved balance of available Explobers and expert clears on select stages
• Additional stage skips

Additionally, you can unlock EXPLOBERS's second game mode, EXPLOBERS GEMS, after clearing forty stages! 

Download EXPLOBERS today! Your previous save files will be compatible.