A good tactic is to spear a weaker Necromorph such as a Slasher to the floor and wait for other enemies to cross by its impaled corpse.

The sellback price of the javelins, however, is the lowest of all ammo types, so buy it only if you intend to use it (2 ammo sells for 200 credits). It is one of the most cost effective weapons to use, as the two spears will be enough to kill advanced Necromorphs once fully upgraded.

Javelin ammo can be bought for 400 credits for two spears.

Even after the upgrade, it will still use 2 ammo (One javelin for the placement shot, another to detonate the placement shot).

The Alt-Fire can be used remotely - secondary fire helps in crowd control situation as the electricity can easily wipe out groups, and can be further increased with the power node upgrade to detonate said alternate fire.

In Dead Space 3, the Schematic for it can be found in Chapter 16.

Gabe Weller can also use this weapon in Severed.

In Dead Space 2, the Javelin Gun is available from the second Store Isaac come across and can be bought for 11000 Credits.

Triage Javelin Gun (damage + 10%, reload speed - 5%).

Bloody Javelin Gun (alt-fire damage + 10%, reload speed - 5%).Most Telemetry Spike configurations creates various Javelin Gun variants, except for when tipped with a Conic Dispersal, which turns it into a rivet shotgun instead. The secondary function from Dead Space 2 cannot be recreated, however, as the lower function can only be either an Explosive or an Electrocution Module. In Dead Space 3, a weapon with a Telemetry Spike tool attached creates a basic Javelin Gun.

The secondary fire can be upgraded to add an explosive effect after the electrical burst. The alternate fire mode electrifies the titanium spike, causing electricity to arc off the spike and shock nearby enemies (Or the user, if he/she is too close). In a zero-g area, the Necromorph will continue flying straight with no arcing path. If no surfaces are within proximity, the impaled Necromorph (if its size is comparable to a slasher) will be pinned to the spike, flying in a straight path before slowly arcing down. a Pregnant) cannot be pinned, no matter where the spike hits. If a sizeable enemy is hit with a flying spike, it will be pinned against the nearest adjacent surface, immobilizing it. Upon firing, the projectile will travel infinitely until it hits a surface, to which it will remain planted and cannot be removed by any means.

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