FREE: Contra III The Alien Warz

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The level design is more complex, and provides more opportunity for interaction. For instance, players can grab on to poles or ceilings and navigate them in a monkey bar fashion, climb walls and ladders, destroy buildings and scenery, and commandeer tanks.

New styles of levels in The Alien Wars involve motorcycle chases, riding on missiles, and two Mode 7 enabled top-view levels. The weapons system is revamped, and players can carry two weapons instead of one, only losing the one they are currently using if they die. They can also fire these two weapons simultaneously in a spin-jump circular fire pattern that hit enemies on all sides: however, being hit while doing so results in the player losing both of their weapons. The player can also lock their character's mobility, allowing the player to shoot at all eight possible directions (including downwards and at angles) without moving or jumping. Finally, the player's default gun now has autofire capability (as a result, the Machine Gun from previous installments is gone). New weapons includes a whip-style Flame Gun, Crusher Missiles, and Homing Missiles similar to the Hunter Gun in Operation C. The player can also carry Bombs which will destroy almost all on-screen enemies when detonated at any time.