26 0 0Actions Report Solution The “Jetpack” Upgrade is actually the Rocket Boots. Simply load into Survival and Purchase the Upgrade at the Center of the Base with your surplus of $10000. Hope this helps!Guide not helping? View 2 more guides for this achievement.Leave a comment
3 0 0Actions Report Solution Para aqueles que estejam procurando a solução em Português segue o link:
4 2 0Actions Report Solution From the main menu, select "Start", select "Survival" when it loads, you will be in front of the "Reactor" where you can buy weapons and upgrades. Press LT to access the upgrade menu then use the D-pad to select the "Rocket Boots" and press A to buy it. Press LT to exit the upgrade menu. It should unlock.