Hell Let Loose – U21 Experimental Branch is LIVE
- Published
- (68 days ago)
- Type
- News
- Build
23753062→23885435- Source
- store.steampowered.com

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Summary
Hello everyone,
The Update 21 Experimental Branch Playtest is LIVE NOW on Steam!
Jump in and test the latest additions and changes coming in Update 21, including:
- New weapons
- New loadouts
- Fire-mode selectors
- Conquest game mode
- Armor and Anti-Tank changes
*➡️ To join, head to Hell Let Loose > Properties > Betas on Steam and select Exp_Branch.*
Please submit your feedback here:
- U21 Feedback Form: Hell Let Loose - Update 21 - Part 2 – Fill in form
- U21 Bugs Form: Hell Let Loose - Update 21 - Bug Form - Part 2 – Fill in form
Read the full breakdown of everything coming in Update 21: 🔗 Blog - Dev Brief #220 | What's Coming Next? | Hell Let Loose | Hell Let Loose
Weapons
This experimental branch will include 5 new weapons:
- The M1903A3 Springfield (US)
- The ROKS 2 Flamethrower (Soviets)
- The M7 Grenade Launcher for the M1 Garand (US)
- The Schiessbecher Grenade Launcher for the Karabiner 98k (Germany)
- The No.1 MK I Cup Discharger Grenade Launcher for the SMLE No.1 MK III EY (Britain and Canada)
For the purposes of this Experimental branch, all of the above weapons will be unlocked by default for all players to try. Come release they will be locked behind their respective loadout levels.
Rifle Grenades
…
Read the full news on store.steampowered.com →
Excerpt – the full text belongs to the publisher.
More Hell Let Loose patch notes
- HLL Community Feedback | Dev Brief #222 2026-10-16
- U21 Community Feedback | Dev Brief #221 2026-10-09
- Update 21 | Live Now on All Platforms 2026-09-23
- Update 21 | Full Changelog 2026-09-22
- Dev Brief #220 | What's Coming Next to Hell Let Loose? 2026-09-01
- Hell Let Loose: Vietnam is Out Now! 2026-08-13
- Dev Brief #219 | First U21 Experimental Branch Test | Weapon & Armor Changes 2026-08-04
- Update 20 | Hotfix 3 Live Now 2026-06-25
