SPNKR SSM Launcher

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SPNKR SSM Launcher
Production information

SPNKR-X17 SSM Launcher (Lazyboy) M1
SPNKR-XP SSM Launcher M2


Rocket launcher

Technical specifications
Magazine Size

2-shot cartridge


medium (burst)




M1 (SPNKR-X17)


Human (SPNKR-X17)
S'pht (SPNKR-XP)


The SPNKR series rocket launchers are extremely powerful weapons that can obliterate large groups of enemies at once.

The rocket launcher cannot be fired underwater or under vacuum conditions. Like the MA-75 Assault Rifle/Grenade Launcher, it can also be used to propel the player to otherwise out-of-reach places at the cost of heavy self injury.

The SPNKR-X17 (Lazyboy) of Marathon took up an extremely large amount of space in the player's viewport. The SPNKR-XP of Marathon 2 and Marathon Infinity also caused a significant blind spot, but not as great as the previous version.

In Marathon, it is first found on Neither High Nor Low.

In Marathon 2 it is first found in the alien ship, on If I Had a Rocket Launcher, I'd Make Somebody Pay, although there are a few hidden ones earlier in the game than that.

In Marathon Infinity it can first be obtained in a secret on the level Where are monsters in dreams. The first non-secret rocket launcher is in Foe Hammer.


"This shoulder mounted device fires short range surface to surface high-explosive mini-rockets. Rocket velocity is 110 meters/second with a range of 2500 meters. Rockets explode on impact with a blast radius of 10 meters."
- from
Marathon manual

"A self-important human once said "...sometimes a cigar is just a cigar." This may be so, but in the case of the <<rocket launcher>> you've got one majorly explosive cigar."
- from
Marathon 2 manual


  • An early Marathon beta gives the rocket launcher the designation "AK.01".
  • The weapon's name is an abbreviation for the word "Spanker".
  • The rocket launcher in Halo is a reference to the SPNKR, and is even called "SPNKr".


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