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Mario & Luigi: Partners in Time
Also known as: Mario and Luigi 2x2 (Japan)

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Mario & Luigi: Partners in Time
Cheats, codes, hints, secrets, glitches, tips and help..

How to get easy coins:
In Thwomps Volcano, when you first enter the dormant volcano, go right one screen (which you must do usually). At the area where you must spin your babies, spin them and only them. Leave the older Bros. at the top. When the babies get to the bottom, take the older Bros. back to the beginning of the volcano (left one screen) and get the babies back with the pipe block. Repeat this process, and each time you will get 70 coins.
A trick to fire things easier: Use the following trick if it is difficult to predict who will have the big fireball when you use the Flower Bros. item. Press all the buttons at once, and both of them will fire at the enemy. 
How to gather beans: After you learn Baby Mario and Luigi's ability to dig underground, each time you see an small circle with a "X" in it, throw Baby Mario and Baby Luigi by pressing X or Y. Next, press R then B and B again to go underground. Move underneath the circle with the "X" in it, then press B under it and you will receive a bean. 
How to dodge attacks: When you are engaged in a battle press Attack for Mario or Luigi and they will dodge the enemy attacks.

The first Boss:
Wait until one of the Shroob doctors gets a Poison Mushroom. Then, attack the one that has it. Use a Cannon Bros. item. It does 52 damage, and you can defeat the Boss very quickly. Attack him when green and hold back when he is red. 
Bowser and Baby Bowser: Having lots of Ice Flowers is recommended. Once Baby Bowser uses his adult form as some sort of hockey item, use your hammer to smash it back to him, because he will continue to heal his adult form. If you succeed, Baby Bowser will miss hitting the adult form and he will be on his own for a small amount of time. Also get Red Peppers to increase your attack, and perhaps Blue Peppers to increase your speed. Give the Red Peppers to the adult Mario and Luigi and keep using Ice Flowers. An alternative is the Green Shell or the Pocket Chomp. If used correctly, there should be a signal that his defense has lowered. Continue using Ice Flowers (or if you are out, a Pocket Chomp or Cannon). You might not defeat him the first time. When he gets back in his adult form, continue damaging him, then use the hammers again and continue the process. Once Baby Bowser is defeated, just repeat the same process with adult Bowser. 
Commander Shroob: When the battle begins, you will be facing three Shroobs holding a large Shroob-like Bomb-omb. Attack and destroy the middle and rear Shroobs so that the front Shroob is crushed by the bomb because he cannot hold up the weight himself. The bomb will roll backwards, blowing up Commander Shroob, allowing you to attack him. The most effective attacks on him are the Ice Flower (to lower his stats, and do critical damage), Copy Flower, and Red Shell, provided you have good timing. His attack is mostly slapping Shroobs towards you;.defend with your hammers. He has a lot of HP, and the battle will last awhile because after a few turns he will summon more Shroobs with the bomb again. Repeat the first strategy to reveal Commander Shroob again, then repeat the second strategy until he is defeated. High Pow and a lot of patience is recommended. 
Mrs. Thwomp: She can be a bit difficult, but if you see the pattern, it will be easy. She will usually jump up on the top of the screen and spin. If she lands on the Mario's side, make Mario jump first, then Luigi, and vice versa. If she manages to jump in the middle, make them both jump at the same time to avoid damage. She will also spit out rocks at you. Try to break them, because you will be given items such as Ice Flowers, Fire Flowers, Coins and Mushrooms. Once you damage her enough times, she will break apart and have four mini versions of her. Pay attention to which eyebrow raises. That is the direction they will be going to. When they jump toward you, just hit them with the hammer. If they hit you enough times, you will get dizzy and may miss a couple turns. When it is your turn, get a Red Pepper and use Ice Flowers to hit them all. It might lower some defenses. Continue using Ice Flowers. It will then transform back to its bigger self and continue the same process. It may seem like the battle is endless, but continue the process and she will eventually be defeated. 
The Piranha Plant: Keep on jumping on it and use Red Peppers. Once it is grounded to the floor, try to avoid the quicksand by doing multiple jumps. Once he is stuck inside the ground, he will try turning off the lights to get a Boo to steal an item from you. Smack the Boo with a hammer to prevent this from happening. Use a Fire Flower or Ice Flower and keep hitting it. Using an item such as a Pocket Chomp will only hurt you. Repeat the process until it is defeated. 
Princess Shroob: Use Copy Flower or Trampoline on the shield. Once it is broken, use Mix Flower or a Red Shell because they are most powerful. She will then attack you with orbs. You must time your jump correctly. She will then either pull out another shield and attack with lasers and see if the lasers are pointing up or down. If she does not pull out another shield, keep hammering her with attacks. Eventually she will get in her chair and make another shield. She will then attack by going up and getting four robotic legs. She will jump above one of your characters and shoot laser rings at one brother. Jump immediately when the ring reaches the brother's head or lower if you desired. The princess will get straight and try to sit on you. Counterattack with your hammer. Sometimes, she will stop her move directly above the brother, then continue her attack. Heal if needed and attack. Keep doing this and you will defeat Princess Shroob and find out why princess peach did not want you to collect the Cobalt Star Pieces. 
Shroob Princess' Twin: Have the Ulti-Free badge (bought in Fawful's shop for 90 Beans) on Luigi and the Shroom Badge A on Mario. Also have lots Super, Ultra, Max Mushrooms; Drops;, and 1-Up Supers. Start by hitting her as hard as you can with repeated Mix/Copy Flowers every turn with Luigi. Just have Mario attack normally. When you take off half her HP (3000 HP), she will appear to die, but instead turn into a much more powerful form with four tentacles and a cluster of tentacles at her feet. When this happens, target her foot, or better yet all of her, with a Mix Flower. When the foot is destroyed, she gets shorter. This allows you to target her crown. Destroy or knock off her crown so that your attacks will work on her. Repeat this process until she is defeated and watch what comes next Be prepared; she has 6,000 HP.
Sunnycide: There are five eggs in front of Sunnycide. Ignore Sunnycide and go for the eggs. Attack an egg until it hatches. A Yoshi will come out and start pushing a boulder on a ledge high above. Hatch five eggs while avoiding Sunnycide's attacks, and the Yoshis will launch the boulder at Sunnycide and knock him down. He is now vulnerable. Attack him with everything you have while avoiding his attacks until he stands back up. Repeat this process until he has been defeated. 

The slow babies game glitch:
When going down a large amount of stairs, jump, and have the babies jump off at the peak of your jump. Do this while still moving. The game should slow down when the babies are coming down. If done correctly it should take awhile for them to come down. Note: This can only be done when climbing to the observatory in Princess Peach's Castle (past or present), or in the Past Castle when you are climbing up the staircases in the area shaped like Princess Shroob.

Submitted by: CheatBookJon, Mark Cornman, -Zbot-, Sar Robbins, Andrew R. Goole, Megan Hatfield, Ryan Strannigan, NinjaPenguin06 and Troy Burntgreene and many others with the same/similar info - Thanks

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