For a standard Flamethrower, every press of the ⚒ 使用/攻击 button consumes one Gel and generates five "lines" of fire in quick succession that can be spread over an area by moving the mouse while firing. With some modifiers that increase firing speed (e.g. Unreal and Rapid), each attack consumes two Gel and fires six lines.
- 火焰喷射器有穿透最多 4 个 敌怪的能力，每发能够击中最多 5 个敌怪。
- Each subsequent enemy hit induces a 15% damage penalty.
- 如果从下面向 1 格厚的地板射击，在上面走动的敌怪会受到伤害。
- The Flamethrower is a great weapon for crowd control, being very effective against the 撒旦军队 or the Pirate Invasion.
- It is exceptional for fighting worms, because it can hit multiple segments at once.
- Although five to six shots can be fired per press, six shots fired at the same enemies are likely to only cause three hits on each enemy, which should be kept in mind so as not to waste Gel.
- A Flamethrower with the Slow modifier may actually be better, as it does not consume as much Gel but has around the same 每秒伤害.
- One could make a Gel farm using Slime Statues to easily stockpile ammunition. Gastropods are another abundant source.
- It is completely useless against water-based enemies.
- Its piercing effect can be effective against the The Destroyer. Note that the boss is immune to On Fire!, however.
- 电脑版 18.104.22.168：
- Damage increased from 27 to 35.
- Applies a 15% damage penalty to the next hit for each enemy a projectile pierces.
- 电脑版 1.3.1：外观更新。
- 电脑版 22.214.171.124：火焰喷射器射弹不再视为魔法。
- 电脑版 1.1：引入。