G:Mario Tennis

T:This Game Requires A Version 3.0+ Cheat Device

T:Activators & Enable Code

C:Enable Code (Must Be On)|F1300290 3C01<BR>F1300292 A005<BR>F1300298 03E0<BR>F130029A 0008<BR>F130029C AC20<BR>F130029E 86A0|CodeMaster|
C:Activator 1 P1|D0066984 00??|CodeMaster|
C:Activator 2 P1|D0066985 00??|CodeMaster|
C:Dual Activator P1|D1066984 00??|CodeMaster|

T:Main

C:Court Modifier|80065240 00??|Zap2|00 - Hard Court<br>01 - Clay Court<br>02 - Grass Court<br>03 - Composition Court<br>04 - Super Mario Court<br>05 - Peach Court<br>06 - Wario Court<br>07 - Yoshi Court<br>08 - Waluigi Court<br>09 - Bowser Court (NOT the item one)<br>0A - Mario Bros. Court<br>0B - Yoshi & Baby Mario Court<br>0C - Wario & Waluigi Court<br>0D - Donkey Kong Court<br>0E - Mario & Luigi Court<br>0F - Yoshi & Birdo Court<br>10 - Bowser Court (Item one)<br>11 - Hard Court (Beach)(?)<br>12 - Pirhana Plant Court|
C:All Characters Available|810653C8 FFFF|XAnimal|
C:All Courts Available|810653CC FFFF|XAnimal|
C:Score Modifier P1|8015344A 00??|CodeMaster|00 - 0<BR>01 - 15<BR>02 - 30<BR>03 - 40
C:Score Modifier P2|8015344B 00??|CodeMaster|
C:Start Set With Score Modifier P1|D015344A 0000<BR>8015344A 00??|CodeMaster|
C:Start Set With Score Modifier P2|D015344B 0000<BR>8015344B 00??|CodeMaster|
C:Games Won Modifier P1|8015344D 00??|CodeMaster|
C:Games Won Modifier P2|8015344E 00??|CodeMaster|
C:Sets Won Modifier P1|8015344F 00??|CodeMaster|
C:Sets Won Modifier P2|80153450 00??|CodeMaster|
C:Aces Modifier P1|81153454 00??|CodeMaster|
C:Aces Modifier P2|81153456 00??|CodeMaster|
C:Double Faults Modifier P1|8115345C 00??|CodeMaster|
C:Double Faults Modifier P2|8115345E 00??|CodeMaster|
C:Return Winners Modifier P1|81153464 00??|CodeMaster|
C:Return Winners Modifier P2|81153466 00??|CodeMaster|
C:Smash Winners Modifier P1|8115346C 00??|CodeMaster|
C:Smash Winners Modifier P2|8115346E 00??|CodeMaster|
C:Always Have "Nice" Serve|80153533 0001<br>D0066985 0010 <br>80153533 0000|Captain Chronic|Hold "R" when your opponent serves or else he/she will also have "Nice" serves all the time.
C:Infinite Bounces|8015B16B 0000|Captain Chronic|If you leave the ball alone, it will eventually bounce out of bounds and you will get easy points.
C:Easy Points|8015B16B 0000<br>D0066985 0010<br>8015B16B 0001|Captain Chronic|Once the ball touches the ground, it counts as a point. Be sure to hold "R" when your opponent hits the ball or else he/she will also get points after one bounce.
C:Player 1 Characters Sound Modifier|80153537 00XX<br>801571A7 00XX<br>801571AB 00XX<br>8015D172 00XX|SubDrag|10-13 are GB Transfer Pak characters sounds, use with their model modifier. 14 is a quick sound, then silence
C:Max Rings In Ring Challenges|8106525C FFFF|SubDrag|
C:High Nets|8006524B 0008|SubDrag|This appears to be beta mode. perhaps some sort of lob challenge. however, at moment it is only a high nets game, and i have not ever been able to get it over. but it is very funny and it saves so you can play it without a shark.
C:Mode Modifier (Unlisted Are Normal)|8006524B 00XX|SubDrag|00 - Normal <br>01 - Piranha <br>02 - Normal <br>05 - Rings <br>06 - Bowser Stage <br>08 - HIGH NETS <br>09 - Demo Doubles <br>0A - Demo Singles 
C:Singles/Doubles|8006524F 00XX|SubDrag|00 - Singles<br>01 - Doubles
C:Player 1 Modifier|80065217 00XX|SubDrag|
C:Player 2 Modifier|8006521B 00XX|SubDrag|
C:Player 3 Modifier|8006521F 00XX|SubDrag| 
C:Player 4 Modifier|80065223 00XX|SubDrag|
C:Ball Coords|8115B0E6 XXXX<br>8115B0EA XXXX<br>8115B0EE XXXX|SubDrag|
C:Jam A Twice And Ball Gets Hit Backwards On Serve|8015B0ED 00FF|SubDrag|
C:Ball Size Modifier|8115B1A4 3F8C<br>8115B1A8 3F8C<br>8115B1AC 3F8C|SubDrag|
C:Bounce Height|8115B104 XXXX|SubDrag|
C:Spin Speeds (L, U, R)|8115B114 XXXX<br>8115B124 XXXX<br>8115B134 XXXX|SubDrag|
C:Backspin Amount|8115B11C XXXX<br>8115B12C XXXX|SubDrag|
C:Ball Bounces Forever|8115B173 0000|SubDrag|

T:All Tournaments Cleared

C:Yoshi|80065278 00EE|Kamek|
C:Peach|80065279 00EE|Kamek|
C:Mario|8006527A 00EE|Kamek|
C:Bowser|8006527B 00EE|Kamek|
C:Boo|8006527C 00EE|Kamek|
C:Donkey Kong|8006527D 00EE|Kamek|
C:Baby Mario|8006527E 00EE|Kamek|
C:Toad|8006527F 00EE|Kamek|
C:Waluigi|80065280 00EE|Kamek|
C:Wario|80065281 00EE|Kamek|
C:Luigi|80065282 00EE|Kamek|
C:Daisy|80065283 00EE|Kamek|
C:Birdo|80065284 00EE|Kamek|
C:Shy Guy|80065285 00EE|Kamek|
C:DK Jr.|80065286 00EE|Kamek|
C:Paratroopa|80065287 00EE|Kamek|

T:Miscellaneous Codes

C:All Characters Have 'Star' Option|810653CA FFFF|Kamek|
C:Have All Tennis Courts|810653CC FFFF|Kamek|
C:P1 Model Modifier|80153537 00??|Kamek|
C:P1 Sparks Modifier|801571A7 00??|Kamek|
C:P1 'Everything Else' Modifier|801571AB 00??|Kamek|
C:P2 Model Modifier|8015353B 00??|Kamek|
C:P2 Sparks Modifier|8015713F 00??|Kamek|00 - Yoshi<BR>01 - Peach<BR>02 - Mario<BR>03 - Bowser<BR>04 - Boo<BR>05 - DK<BR>06 - Baby Mario<BR>07 - Toad<BR>08 - Waluigi<BR>09 - Wario<BR>0A - Luigi<BR>0B - Daisy<BR>0C - Birdo<BR>0D - Shy Guy<BR>0E - D.K. Jr<BR>0F - Paratroopa<BR>10 - (Model Only) A Dark-Skinned Boy With A Ballcap<BR>11 - (Model Only) A Short Young Girl With Long Pigtails<BR>12 - (Model Only) A Buff Athlete With A Funky Hairdo<BR>13 - (Model Only) Generic Female Tennis Player<BR>14 - (Model Only) A Question Mark?!
C:P2 'Everything Else' Modifier|80157193 00??|Kamek|
C:Infinite Bounces Allowed Before You Hit The Ball|8015B16B 0000|~Captain Chronic~|
C:Hold R For 'Nice' Serve|D0066985 0010<BR>80153533 0001|~Captain Chronic~|
C:All Tournaments Cleared<BR>(Cheat Device 3.0 Or Higher Needed!)|50000801 0000<BR>81065278 EEEE|Kamek|
C;Have D.K. Jr.|800653C8 0001|Kamek|Note: To save changes to the SRAM (so you don't have to use the codes again), play and complete one game in any mode with the codes enabled. This will save the data to the SRAM and you will not have to put the code in again to use the new characters.
C:Have Shy Guy|800653C8 0002|Kamek|
C:Have D.K. Jr. & Shy Guy|800653C8 0003|Kamek|
C:Court Modifier|80065240 00??|CodeMaster|00 - Hard Court<br>01 - Clay Court<br>02 - Grass Court<br>03 - Composition Court<br>04 - Super Mario Court<br>05 - Peach Court<br>06 - Wario Court<br>07 - Yoshi Court<br>08 - Waluigi Court<br>09 - Bowser Court (NOT The Item One)<br>0A - Mario Bros. Court<br>0B - Yoshi & Baby Mario Court<br>0C - Wario & Waluigi Court<br>0D - Donkey Kong Court<br>0E - Mario & Luigi Court<br>0F - Yoshi & Birdo Court<br>10 - Bowser Court (Item One)<br>11 - Hard Court (Beach-?)<br>12 - Pirhana Plant Court 
C:Mario On Drugs Mode|80153537 001F|ash_link|<p>This code may not work for an earlier version than Cheat Device 3.3. Goto any game mode (Exhibition, Tournament, etc.)</p> <p>When you serve straight, the ball goes by REALLY fast, but when he hits the ball it's sooo weak it doesn't even reach the other side, over the net!</p>
C:Black Hole Court|80169240 0ABC|ash_link|Select "Composition Court" and begin playing. But what's that? You're only in a black hole and no one seems to be scared that the court and the world is in a black hole and about to disappear!
C:Ball Graphic Effects|8015B1EA FFFF|Luigi_1|
C:Inept Opponent In Piranha Challenge/Everybody Misses|8015B16C 9955|Luigi_1|With this code, you'll win the Piranha Chanllenge easily, but if you're going to play on another game, such as the Tournement Mode, when you swing, you'll miss.  Nobody will win anywhere.|
C:Mario On Drugs Mode|80153537 001F|Ash_Link|goto anything (exhibtion,Tournament etc.) make sure you have a GS on Mario tennis and put on this code (it may not work for earlyer version before 3.3) put it in then play and enjoy!