Setup:_________________________________________________________________
Batteries:
Carefully unscrew the battery compartment cover located on the back of the unit.
Place 4 "AA" alkaline batteries as indicated inside the compartment.
DO NOT mix old and new batteries.
DO NOT mix alkaline, standard or rechargeable batteries.
Also, when the unit is not being used, remove the batteries until you're ready to play again.
Screw the cover back into place. 

WARNING:  Hydro Zap! must be played with water or damage will result to the game. 

Filling the Unit:
Unscrew the tank cover and fill the unit with cool water about 3/4 full. Place the tank cover back on. Prime the pump by pressing any one button as you slide the switch (on the right side of the game) to either game (up or down). After a few seconds, you should get an even mist. 

On/Off and Selecting a Game:
When the switch is in the middle position, the unit is OFF Move the switch to play Hydro Memory or Hydro Reflex. 

Inputting the # of Players:
After selecting the game you want to play, the left light will go on. Press the button directly under the light 1, 2, 3 or 4 times depending on the number of players. Then press the middle button to ENTER that number. 

Inputting the Skill Level:
The right light will now go on. Press the button directly under this light 1,2, 3 or 4 times, depending on the skill level you want the game to start at (1 is easiest and 4 is most challenging). Press the middle button again to ENTER the skill level. 

All three lights will flash. Press the middle button-START- when you are ready to begin. 

Playing: Hydro Reflex:__________________________________
As soon as a light lights up, hit the button directly underneath it. Another light will then light up, hit the button under that light and soon. The lights get progressively faster, so you'll have to hit the buttons faster and faster. 

If you're playing solo:
When you successfully complete a round of 20 lights, you will hear a "round over" sound. The three lights will then go on, and when you're ready, press START to begin the next round. When you hit the wrong button - or wait too long to hit the right button- you get zapped! You will now get your score (see "Scoring"). 

If two or more are playing:
Decide what order you will play in (Player 1, Player 2, etc.) and enter the number of players and skill level as described in "Set Up." When the game is ready, all three lights will flash.  Press the middle button-START- when you are ready to begin. 

If Player 1 completes Round One, the game will give two beeps to signal to pass the game to Player 2. If there are three or four players, the game will beep the player's number before their turn. This continues with all of the players at Round One. When it is Player l's turn again (signalled by one beep), Round Two will begin for all players. As soon as a player gets zapped, they are out of the game. The next player is then signalled to begin their turn. When only one player is left, the game is over. If the last player holding the game is the winner, the game will give a "victory" tune and give the winner's score. It will then give all the other players' scores in descending order (the player number is indicated by the number of beeps before the score is given).(see "Scoring"). 

Skill Level Note: In both solo and multi-player games, the game gets faster after each round.

Playing Hydro Memory:_________________________________
In Hydro Memory, you've got to repeat a growing sequence of lights that begins with three and increases by one with every round. 

If you're playing solo:
After the game plays the sequence, you must immediately repeat it using the buttons that correspond to the lights. If you press the wrong button, or wait too long to hit the right button, you get zapped and the game is over! You will now get your score (see "Scoring"). 

If two or more are playing:
Decide what order you will play in (Player 1, Player 2, etc.) and enter the number of players and skill level as described in "Set Up." All three lights will flash. As soon as Player 1 presses the START button, the game will begin. 

In a multi-player game, each player has their own light sequence that builds by one with every round. Players do not repeat what the other players do, but what they themselves did on the previous round. 

If Player 1 completes Round One, the game goes into Standby Mode and there are two beeps as a signal to pass the game to Player 2. If there are three or four players, the game will beep those players' numbers before their turn. Each player always starts their turn by pressing the START button. 

This continues with all of the players at Round One. When it is Player 1's turn again(signalled by one beep), Round Two will begin for all players with an additional light added to each player's sequence. As soon as a player gets zapped, they are out of the game. The next player is then signalled to begin their turn. When only one player is left, the game is over. 

If the last player holding the game is the winner, the game will give a  '"victory" tune and give the winner's score. It will then give all the other players' scores in descending order (the player number is indicated by the number of beeps before the score is given). (see -"Scoring"). 

If the last player holding the unit is not the winner, the game will beep the winning player's number, go into the Standby Mode and the START button must be pressed to hear all scores. 

If there are only two players left and the first player gets zapped, the second player still gets to complete that round. 

Note: To move to a faster level in Hydro Memory, input a higher skill level in Set Up.

Scoring:
Above the lights, from left to right, are the numerals 100, 10 and 1.When it is time for the unit to give the score(s), it will give you both light and sound cues. For instance, if you scored 137, the unit will first light up the 100 light one time (for 100), then will light up the second light three times (3 X 10 = 30) and, finally, light up the third light seven times (7 X 1 =7). 

Getting Your Scores
After giving the score, the middle light will blink for a few seconds. Pressing the button while the lights are flashing will repeat the score, or scores, again. 

Starting a new game:
If you want to start a new game, wait until all three lights start flashing again, then press START. If you want to change games—or change the number of players or game level-you need to turn the unit off, then set-up. 

Important:
Empty the water after use and leave the cover off to dry completely before putting the game away. Do not place anything over the spray nozzle at any time. Remove the batteries when you store the game.