Hey my Friends :-)
Gravity Chase Achievement Guide Easy 1000GS / 60 min
with XP Glitch.
@11:11
You need at least 4000 Money to upgrade Speed to Max
Speed Class 2 Ships works so the first 3 ships dont work.
Upgarde minimum a Speed Class 2 ship 2Times for TOP SPEED to get the Achievement.
2x2000Money.