Although the existence of Dark Matter is well established based on astronomical observations, its nature is still one of the most pressing and exciting questions in physics, with Weakly Interacting Massive Particles (WIMPs) remaining the top Dark Matter candidate.

I will present the first results from the DEAP-3600 detector located 2 km underground at SNOLAB, which searches for dark matter particle interactions with 3 tonnes of liquid argon (LAr) contained in an ultrapure acrylic vessel viewed by 255 photomultiplier tubes. DEAP-3600 has recently delivered the best WIMP-nucleon cross section limit in LAr and aims to reach a competitive overall sensitivity after 3 years of running.

DEAP-3600 results will be discussed alongside prospects of a recently formed Global Argon Dark Matter collaboration, which includes DEAP scientists and plans to build a 20 tonne detector in the near future, and ultimately a large 300 tonne detector capable of exploring the remaining parameter space available to WIMP searches with LAr.