If you want a legitimate way to play ARK without paying full price:

: ARK often goes on sale for as low as $10. Adding it to your Steam Wishlist

While there are no guaranteed ways to obtain a free Steam key for ARK: Survival Evolved, there are some legitimate methods to obtain the game at a discounted price or for free:

Although you asked for a Steam key, it is worth noting that ARK has been featured multiple times as a on the Epic Games Store . While this doesn't give you a Steam key, it provides the full game for free on a different PC platform. 3. Community Giveaways and Bundles