Early 2021 has had a gap of major AAA game releases, a rarity in the past decade. In place of major releases, indie games likeValheim,Tale of Immortal,Dyson Sphere Program, andRusthave filled in instead. Now another game can be added to the list of impressively successful indie launches for 2021.Loop Hero, the unique roguelite mix of automated RPG combat, deckbuilding, and meta progression, is the latest breakout success on Steam.

By three key metrics isLoop Hero’s wild success now apparent, despite launching just this past Thursday. Perhaps the most important is Steam Database’s key Trending Games metric, whereLoop Herotops this list. The Trending Games metric takes into account overall players over the past week, total concurrent players, ratings, sales, and more. It’s a great way to see what games are surging in popularity, andLoop Heroputs the rest of the list to shame.

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The second key metric is a part of the Trending Games list, but taken into account on its own:total concurrent players on Steam, one of the few statistics that Valve provides regarding games on Steam. Not only isLoop Heroseeing peak concurrent players over 50,000, but that total has climbed every day since launch. March 4 was over 30,000, March 5 was over 35,000, March 6 jumped to over 45,000, and as of this writing it’s over 50,000.

The third metric to take into account is Steam’s weekly sales chart, as measured by revenue. Today’s chart shows thatLoop Herohas climbed up to second place, despite being available for just three of the seven days taken into account. It’s also in second place overall belowValheim, which has topped the list for over a month.

Suffice to say,Loop Herois proving to be very successful on Steam. For a game that’s a rare oddity, unique with its own mechanics, it’s rare to find such success. It may have thatroguelite style of “loop” gameplaymixed with meta progression that’s consistently successful, but it’s also clearly a risky endeavor to make something so unlike anything else. This time, it apparently worked out.

As with most indie game success stories,developer Four Quartersisn’t taking its launch success in stride. The team issued two hotfixes within 24 hours of launch and has now released a third significant hotfix. That’s encouraging for such a new release, and will likely only contribute toLoop Hero’s continued success.