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The GL-21 Grenade Launcher in Helldivers 2 is one of the most reliable support weapons when you need explosive firepower against groups of enemies or heavily armored targets. While not as flashy as some of the game’s other stratagems, the GL-21 stands out for its versatility, making it a staple choice for many players who enjoy a balanced mix of crowd control and precision damage.

How to Unlock the GL-21

Players can acquire the GL-21 through the requisition system as they progress, but it often requires prioritizing upgrades and stratagem unlocks. While many players focus on flashy heavy weapons first, the GL-21 quickly proves its worth once it’s in your arsenal. If you’re grinding missions to gather more resources, this weapon is an excellent investment, especially for squads that need a reliable explosive option.

Strengths of the GL-21

The main advantage of the GL-21 is its balance. Unlike one-shot heavy launchers, the GL-21 allows for sustained use with a steady fire rate. Its grenades deal high splash damage, perfect for clearing waves of smaller enemies, while also being capable of damaging medium-armored units. The trajectory arc requires some practice, but once you get the hang of it, you can hit enemies behind cover or fortifications with ease.

Weaknesses and Limitations

The biggest downside of the GL-21 is its limited ammo capacity. While you can carry multiple magazines, it’s easy to burn through them in intense fights. Ammo efficiency becomes critical, so try to avoid wasting grenades on single weak targets. Another limitation is friendly fire, as the wide blast radius can be dangerous in close-quarters combat. Communication with teammates is key to avoid unnecessary casualties.

Best Situations to Use the GL-21

The GL-21 shines during missions with dense enemy spawns or when your squad expects to encounter fortified positions. It pairs well with weapons like assault rifles or SMGs, allowing you to deal with both close-range threats and clustered groups from a distance. For solo players, it provides a dependable way to thin out enemy waves before they close in.

Player Tips
Aim slightly above groups of enemies to maximize splash damage.
Use it defensively by placing grenades in choke points before enemies rush in.
Coordinate with your squad so they know when and where you’ll be firing.
Keep a sidearm or fast primary weapon ready for moments when the launcher runs dry.


The GL-21 Grenade Launcher is not just a fun weapon—it’s a strategic choice for Helldivers who value versatility and consistent explosive firepower. It might not deliver the raw destructive output of heavier launchers, but its sustained fire and flexibility make it a long-term favorite in many squads. Whether you’re farming resources to buy helldivers 2 items or saving up to buy helldivers 2 super credits, adding the GL-21 to your arsenal ensures you’re always ready to handle whatever the battlefield throws at you.