Steam keys-lowest all-time price

Slain Back From Hell- €1,10
Dwarfheim-€2,70
Pumped BMX Pro-€1,10
Barrier X-€0,70
Rescue Team: Planet Savers-€4,20
12 is Better Than 6-€1,20
I am not a Monster: First Contact-€0,70
The Innsmouth Case-€1,10
Or get all for €10