Monster Mayhem

Game description:
Fight against another player or the computer with monsters. Multiple difficulty settings.  
Game controls:
Player 1: W, A, S, D - Move. Spacebar - Jump. Z - High Punch. X - Low Punch. C - Block. V - Change Weapon. A+D - Use Weapon. Player 2: Arrow Keys - Move. Enter - Jump. N - High Punch. M - Low Punch. K - Block. L - Change Weapon. Left+Right Arrow keys - Use Weapon.

K vs K

Game description:
King of Fighters style system use K and fight against K in this fighting demo.  
Game controls:
WASD Keys- To move. U- Upper Kick. I- Power Punch. O- Special Skill. J- Punch. K- Lower kick. L- Upper Punch.

Boxing 2 x 2

Game description:
The inquisitive person battles box, between two against a two! Prepare for four-handed fisticuffs!  
Game controls:
Left/Right Arrow keys- To move Biff and chiff left and right. V, B, N, M keys- To control their fists. Spacebar- To protect the twin's faces. K- Super Punch.

Army Copter

Game description:
Your main mission is to neutralize as many enemy units as you can to succeed in your mission. You may also wanna pick up some bonuses dropped by parachutes to help you on your mission. Good luck!
Game controls:
Arrow Keys - Movement. Spacebar - Shoot.