Download SuperTux chrome extension. You can use the space bar to make your hero Tux jump and arrow keys to move him around, right in your own browser. and install in your Google chrome browser. This is Direct SuperTux Crx download for Chrome it is also called SuperTux offline CRX for chrome Download. This SuperTux is used to You can use the space bar to make your hero Tux jump and arrow keys to move him around, right in your own browser.