• DLC
• Editions
• PS / Xbox

digital distribution / death / jump / lives / shooter / top-down perspective / robot / robots / explosion / skull / vertical scrolling / high score / boss fight / bosses / missile / laser / side-scrolling / sci-fi / aliens / heads up display / lava / difficulty level / power up / dog / post-apocalyptic / gun / final boss / super game boy enhancement / virtual console / record breakers / flamethrower / weak spot / mini-boss / run 'n gun / tank / peashooter / prone / bullet / boss hands / nintendo power / battery backup / extra life / multi-phase boss / pick ups / temporary invincibility / background boss / multiple gameplay types / bromance / modern warfare / modern military / stationary boss / transforming boss / multiple enemy boss fight / spread gun / roman numerals / multiple gameplay perspectives / retroachievements / mode 7 / infinite ammo / e3 2002 / run and gun / ammo / homing missile / murder / shirtless / decapitation / guerilla warfare / dual wielding / attack dog / flips / starter weapon / shoot the core / core / missile riding / the red falcon / nintendo super system / scrolling hole