For a current list of sounds look at hedgewars/uTypes.pas http://code.google.com/p/hedgewars/source/browse/hedgewars/uTypes.pas#120

{{{

    TSound = (sndNone,

            sndGrenadeImpact, sndExplosion, sndThrowPowerUp, sndThrowRelease,

            sndSplash, sndShotgunReload, sndShotgunFire, sndGraveImpact,

            sndMineTick, sndPickhammer, sndGun, sndBee, sndJump1, sndJump2,

            sndJump3, sndYesSir, sndLaugh, sndIllGetYou, sndIncoming,

            sndMissed, sndStupid, sndFirstBlood, sndBoring, sndByeBye,

            sndSameTeam, sndNutter, sndReinforce, sndTraitor, sndRegret,

            sndEnemyDown, sndCoward, sndHurry, sndWatchIt, sndKamikaze,

            sndCake, sndOw1, sndOw2, sndOw3, sndOw4, sndFirePunch1, sndFirePunch2,

            sndFirePunch3, sndFirePunch4, sndFirePunch5, sndFirePunch6,

            sndMelon, sndHellish, sndYoohoo, sndRCPlane, sndWhipCrack,

            sndRideOfTheValkyries, sndDenied, sndPlaced, sndBaseballBat,

            sndVaporize, sndWarp, sndSuddenDeath, sndMortar, sndShutter,

            sndHomerun, sndMolotov, sndCover, sndUhOh, sndOops,

            sndNooo, sndHello, sndRopeShot, sndRopeAttach, sndRopeRelease,

            sndSwitchHog, sndVictory, sndSniperReload, sndSteps, sndLowGravity,

            sndHellishImpact1, sndHellishImpact2, sndHellishImpact3, sndHellishImpact4,

            sndMelonImpact, sndDroplet1, sndDroplet2, sndDroplet3, sndEggBreak, sndDrillRocket,

            sndPoisonCough, sndPoisonMoan, sndBirdyLay, sndWhistle, sndBeeWater,

            sndPiano0, sndPiano1, sndPiano2, sndPiano3, sndPiano4, sndPiano5, sndPiano6, sndPiano7, sndPiano8,

            sndSkip, sndSineGun, sndOoff1, sndOoff2, sndOoff3, sndWhack,

            sndComeonthen, sndParachute, sndBump, sndResurrector,

            sndPlane, sndTardis, sndFrozenHogImpact, sndIceBeam, sndHogFreeze);

}}}