Two Very Very Cheap PEAK Steam Keys for 2 euro or less

I need two genuine, unused Steam activation keys for the game “PEAK.” The codes must come from legitimate, authorised sources—no grey-market or second-hand resellers—and they have to be region-free so I can redeem them on any account without VPN work-arounds... (Budget: €8 - €30 EUR, Jobs: Research, Web Search)