Blood Service and LastOnline at the Assembly Summer Event
Finland’s largest digital festival, Assembly Summer, returns to Helsinki Expo and Convention Centre from July 31 to August 3, 2025. As usual, the LastOnline blood donation campaign will be there in collaboration with the Finnish Blood Service.

The event is known as Finland’s biggest digital festival and has been organized for over 30 years, twice a year. Assembly is also internationally renowned and gathers thousands of enthusiasts under one roof annually.
Donate Blood – Save Lives
You’ll find the Blood donation bus inside the Expo Centre, near the eastern entrance. You can donate blood or get your blood type determined in the bus.
Schedule:
Blood donation on Thu 31.7 and Fri 1.8 from 12:00 to 18:00, by appointment
Blood type determination on Sat from 12:00 to 18:00, no appointment needed
On the final day of the event, Sunday 3.8, the blood donation bus will not be present.
Drop by the lounge – gaming vibes and refreshments await
Next to the blood donation bus is the joint Assembly lounge by Blood Service and LastOnline, where you can take a break, try out driving simulators and high-end gaming PCs, and grab a Red Bull energy drink and some snacks.
Note: Assembly is a ticketed event.
Welcome!