I Scream, You Scream is an optional Pay Phone mission in GTA 3, given to Claude by El Burro.
It's the 24° mission in GTA III in chronological order, and it takes place in Portland. It becomes available after completing Turismo.
This is an optional mission, but it is required for 100% completion of the game.
Claude bombs a group of gang members using an ice-cream van.
I Scream, You Scream: Mission Objectives
- Pick up the briefcase in Harwood.
- Find an icecream van.
- Park the icecream van down at Atlantic Quays.
- Press (buttom) to activate the Ice Cream jingle.
- Exit the van then use the remote to detonate the Icecream van.
I Scream, You Scream: Mission Info
- Mission Number 24
- Mission Type Optional (Side Mission), Phone Mission
- Mission Giver
El Burro - Location Hepburn Heights
- State / Area Portland
- Available After Mission (Story Mode)
- Required for 100% Yes
- Rewards $8,000
- Unlocked Items
Trial By Fire - Featuring
Mr. Whoopee 
Forelli Brothers