Clean Sweep is a variation of the popular Pong theme of the time. It looks like a mix between Breakout and Pac-Man, but it was created before both of these games.
Spike is Kee Games' version of Rebound, with an added "Spike" button. Like Rebound it is a ball-and-paddle game reminiscent of volleyball. The "spike" button controls a vertical paddle close to the dividing line (the "net") which symbolizes a player jumping up and blocking the shot.
Hockey was a PONG-clone by RamTeK featuring a somewhat different gameplay by introducing "forward" paddles which were moved simultaneously with the "goalie" paddles. Just like PONG ot got ported to various 1st generation consoles and was also one of the two build-in games for the Fairchild Channel F - the world's first 2nd generation console.
Killer Shark is a first-person light-gun shooter arcade game that was published by Sega in 1972. The objective of the game is for the player is to repeatedly shoot the approaching sharks. The arcade received moderate success, but gained considerable notoriety after it was featured in the 1975 movie Jaws, seen being played by a gamer at a local beachside arcade in the community of Amity Island. This bit of levity left a major impression on audiences and made Killer Shark the first, and most famous shark arcade game ever.