Letter Scraps
A murder confession cut up and scattered across the map. Collecting every piece reveals the culprit in the assembled text.
Reward: Unlocks a mission revealing Leonora Johnson's murderer.

Seven separate collections. Most players finish one or two because they do not realise that three are underwater and one only unlocks after a side mission.
Ordered by item count
| Collection | Items | Reward |
|---|---|---|
| Letter Scraps | 50 | Unlocks a mission revealing Leonora Johnson's murderer. |
| Spaceship Parts | 50 | Space Docker vehicle. |
| Monkey Mosaics | 50 | Rampage mission and a costume. |
| Submarine Parts | 30 | Kraken submarine. |
| Nuclear Waste | 30 | Cash reward and trophy. |
| Hidden Packages | 12 | Recurring cash. |
| Epsilon Tracts | 10 | Progress in the Epsilon Program strand. |
A murder confession cut up and scattered across the map. Collecting every piece reveals the culprit in the assembled text.
Reward: Unlocks a mission revealing Leonora Johnson's murderer.
Unlocked after the Omega side mission. Any character can collect them, but only Franklin starts and finishes Omega's mission.
Reward: Space Docker vehicle.
Found on the seabed. They require a submarine or diving equipment, so are collected later.
Reward: Kraken submarine.
Also underwater. Only Trevor collects these during Abigail's strand.
Reward: Cash reward and trophy.
The game's strangest side strand, including a requirement to wear only robes for five in-game days.
Reward: Progress in the Epsilon Program strand.
Monkey graffiti across the city. Photographing every mosaic unlocks the final mission with Impotent Rage.
Reward: Rampage mission and a costume.
Collections are a major part of reaching 100%, which makes things appear in the world that were not there before.