Here are some cheats and hints that you can use in the flash games to do better.

TNT Staff-Smasher
Type a5paragu5 to recieve a bigger mallet.

Snowmuncher
Type buuuurrrrrrrrp to decrease bloat by 50%.
Type dieter to increase your points.

Faerie Bubbles
Type faeriebubbles to turn all the bubbles to one type.
Type stardust to switch your bubble to a nova.

Advert Attack
Type nopopups to close all popups.

Moon Rock Rampage
Type novisitors to get an extra 30 seconds. (Once Per Game)
Type rampage to get an extra life. (Once {er Game)
Type superlaser to double your laser’s range.

Sutek’s Tomb
Type pyramibread to get unlimited hints.
Type plzsutekcanihavemoretime to get more time.
Type scarabaeus to get an extra 30 seconds.

Petpetsitter
Type oscillabot to get an extra life.

Jelly Blobs of Doom
Type rainbownegg to get a 25 point Rainbow Negg.
Type fishnegg to get a 50 point Fish Negg.

Mynci Beach Volleyball
Type turdle to put a turdle on your opponent.
Type dirigibles to see a blimp.

Carnival of Terror
Type custard to get more time.

Hassee Bounce
Type doughnutfruit to reset the timer. (Once Per Game)

Read the full post.