For a current list of ammo types look at http://code.google.com/p/hedgewars/source/browse/hedgewars/uTypes.pas#146

{{{

// Available ammo types to be used by hedgehogs

TAmmoType = (amNothing, amGrenade, amClusterBomb, amBazooka, amBee, amShotgun, amPickHammer, // 6

amSkip, amRope, amMine, amDEagle, amDynamite, amFirePunch, amWhip, // 13

amBaseballBat, amParachute, amAirAttack, amMineStrike, amBlowTorch, // 18

amGirder, amTeleport, amSwitch, amMortar, amKamikaze, amCake, // 24

amSeduction, amWatermelon, amHellishBomb, amNapalm, amDrill, amBallgun, // 30

amRCPlane, amLowGravity, amExtraDamage, amInvulnerable, amExtraTime, // 35

amLaserSight, amVampiric, amSniperRifle, amJetpack, amMolotov, amBirdy, amPortalGun, // 42

amPiano, amGasBomb, amSineGun, amFlamethrower, amSMine, amHammer, // 48

amResurrector, amDrillStrike, amSnowball, amTardis, {amStructure,} amLandGun, amIceGun, amKnife, amRubber); // 56

}}}