Trade the energy for more energy! ~~~~~~~~~~~~~~~~~~~~~~~~ Control ~~~~~~~~~~~~~~~~~~~~~~~~ Left click: do stuffs ~~~~~~~~~~~~~~~~~~~~~~~~ Update list ~~~~~~~~~~~~~~~~~~~~~~~~ v1.0 Earth is here. Universe is here. The game is here. Rank added. Day light cycle added. Solar panel and tree can buy in the shop. Solar panel does not work in the night. ~~~~~~~~~~~~~~~~~~~~~~~~ v1.2 Windmills added. Rank description added for all current ranks including secret ranks. More ranks including secret ranks has been added. Peoples can wasting energy now. Game over if the energy points are negative numbers. ~~~~~~~~~~~~~~~~~~~~~~~~ v1.5 Energy bottles added. There will be a bottle flying across the screen rarely but rapidly. Once you clicked it, you'll get 1 energy bottles. Spend it by clicking on the number at the corner. Every bottle gives you 1000 energy points. Limited to max 5 bottles. Energy professor needs only 5000 energy points to reach now. ~~~~~~~~~~~~~~~~~~~~~~~~ v1.5.2 Secret ranks deleted, but will be back soon. ~~~~~~~~~~~~~~~~~~~~~~~~ v1.5.4 Music added. Currently only "Heal The World" is available. Volume setting is available in-game. it affects the whole game. Music will restart if the music button set off. Will be fixed. ~~~~~~~~~~~~~~~~~~~~~~~~ v1.5.5 Volume setting will set automatically on 100% as default. ~~~~~~~~~~~~~~~~~~~~~~~~ v1.5.6 Water pump added. Thanks to Jack2204 for the snapshot-like remix! Energy bottle appear more commonly! But still a long time! ~~~~~~~~~~~~~~~~~~~~~~~~ v1.5.7 Earth will have animation when clicked.