The official hell let loose vietnam player count wording says that “hundreds of thousands” of people had joined the game in Vietnam since launch. The same 24-hour update says additional servers were brought online throughout launch night to make room for the players arriving. It does not provide a precise current total, so any live number is To be confirmed through a current lookup.
What the official launch update says
The launch thread describes hundreds of thousands of people joining the game in Vietnam since launch. That is the only supported numerical scale in the supplied official evidence. It is a broad launch statement, not an exact concurrent-player figure or a continuously updated counter.
Why additional servers were added
The official update says many players entered the game at launch. In response, the team brought additional servers online throughout the night so there would be room for everyone. This confirms launch demand and a capacity response, but it does not quantify the number of servers or translate that capacity into a precise player count.
Looking up dynamic Steam data
The matching material supplies SteamDB and SteamCharts pages for Steam app ID 3079210 as dynamic lookup tools. Those services can be consulted when a current Steam figure is needed, because their values may change over time. No live value is copied here, and neither tool should be treated as proof of a fixed all-platform total from the official launch update.
What remains to be confirmed
To be confirmed: a precise current player count is not present in the supplied official source. The evidence also does not provide a platform-by-platform breakdown, a peak concurrent figure, or a current active-player total. The supported statement remains the official launch wording of hundreds of thousands, together with the addition of servers during launch night.
Sources
https://www.hellletloose.com/zh-Hans/blog/hllv-launch-thread
https://steamdb.info/app/3079210/
https://steamcharts.com/app/3079210