Collect all items from the 80's.

Deliver Carol's cassette with memories to Matthew.

Enable power generator number 1.

Enable power generator number 2.

Enable power generator number 3.

Enable power generator number 4.

Find and collect the AWP sniper rifle.

Empty one soda vending machine completely.

Destroy the central meteorite in the park.

Find a way to reach Chinatown in the underground metro.

Find and collect the 44 Magnum pistol.

Hack your first hotspot computer.

Explode all fireworks mortars that were prepared for the 4th of July.

Perform three human headshots in a row with the same fire weapon.

Restore the network routing system in the underground metro.

Kill one human enemy from above using a stealth approach.