2 Players OnlinePlayable in browserNo downloadFamicom

Contra Gender Swap Online

Contra Gender Swap is a run-and-gun action platformer for the Famicom based on Konami's classic Contra, featuring modified character sprites and intense side-scrolling shooter gameplay against alien invaders.

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About Contra Gender Swap

How to Play Contra Gender Swap Online

In Contra Gender Swap, players control battle-hardened heroines traversing side-scrolling and vertical stages filled with military strongholds, automated turrets, and alien monsters. The primary objective is to advance through enemy-infested zones, destroy defensive installations, and eliminate powerful stage bosses. Movement requires precise timing to leap over lethal gaps, duck under enemy projectiles, and aim weapons in eight directions to clear incoming waves. Collect floating item pods and sensor capsules to upgrade your arsenal with powerful weapons such as the Spread Shot, Laser Rifle, and Fire Gun. Maintain constant movement and dodge rapidly to evade unpredictable enemy fire during intense boss battles. Prioritizing high-threat targets early in each stage and securing key weapon upgrades is essential for surviving the game's escalating challenge.

How to Play Contra Gender Swap Online

Press Play Now. The game opens in a new tab and starts in your browser – nothing to download or install.
On a computer, play with the keyboard or plug in a USB or Bluetooth gamepad. Open the player menu to see or remap the keys.
On a phone or tablet, use the on-screen buttons. Turn the device sideways for a bigger screen.
Use the save state option in the player menu to keep your progress between sessions.

Tip: a gamepad makes special moves and long combos much easier than the keyboard.

Play Contra Gender Swap with a Friend

Local: connect two gamepads (or share the keyboard) and press Start on the second controller to join.
Online: start the game, open the Net Play option in the player menu and create a room.
Send the room link to your friend. When they join, you play together in real time – versus or co-op.
For the smoothest match, both players should use a wired or stable Wi-Fi connection.

FAQ

Can I play Contra Gender Swap online for free?

Yes. Contra Gender Swap runs directly in your browser and is free to play. Press Play Now on this page and the Famicom game starts in a new tab.

Do I need to download Contra Gender Swap?

No. There is no download, ROM file or emulator setup. Everything runs in the browser, so you can start playing Contra Gender Swap in a few seconds.

Can I play Contra Gender Swap on my phone?

Yes. Contra Gender Swap works in modern mobile browsers with on-screen touch controls. Chrome on Android and Safari on iPhone give the most stable experience.