Extra Balls
Type 1max at the start of a new ball to get extra balls.

Gravity Well
Type gmax at the start of a new game to activate the Gravity Well.

Instant Promotion
Type rmax at the start of a new game to go up in ranks.

Skill Shot
Launch the ball partially up the chute past the third yellow light bar so it falls back down to get 75,000 points. There are six yellow light bars that are worth a varying amount of points:

First: 15,000 points
Second: 30,000 points
Third: 75,000 points
Fourth: 30,000 points
Fifth: 15,000 points
Sixth: 7,500 points

Test Mode
Type hidden test at the start of a new ball to activate Test Mode. No notification will be given that this is activated but you can now left-click the mouse button and drag the ball around. While in test mode press the following keys for more secrets:

H - Get a 1,000,000,000 High Score
M - Shows the amount of system memory
R - Increases your rank in game
Y - Shows the Frames/sec rate

Unlimited Balls
Type bmax at the start of a new ball. No notification will be given that this is activated but when a ball is lost a new ball will appear from the yellow wormhole indefinitely. Once this is activated you will be unable to activate other secrets without restarting the game.