Updated on May 18, 2020
Major update.
New "Save The World" level. Plant explosives deep inside asteroid heading towards Earth to save the planet. 3 tunnel mazes in free version, 15 in upgraded version.
New International Space Station level. Explore and fix solar panels with cog puzzle. (Bonus level for upgraded version only.)
Updated renderer and imaging for the Earth level. Float around and explore the Earth at any time of day or night.