These are the known cheat code for the game, incase you need to make a new fully completed save with a headstart

codes were gotten from: https://www.gamefaqs.com/ds/957935-lego-battles/cheats

all codes where tested and confirmed on NA Lego Battles

Cheats Code Cheat

BGQOYRT Double LEGO Bricks QMSLPOE Fast Building PQZLJOB Fast Harvesting JRTPASX Fast Magic KVBPQRJ Fast Mining UMSXIRQ Full Unit Cap HJCRAWK Invincible Hero ZPWJFUQ Long Range Magic AVMPWHK One Hit Kill (Hero Only) ABABLRX Regenerating Health SKQMXPL Reveal Map IBGOFWX Show Enemies CPLYREK Show LEGO Studs LJYQRAC Show Minikit RTGYPKC Show Red Bricks THNBGRE Super Explosions
DWFTBNS Super Magic EDRFTGY Upgraded Towers

Unit Unlocks Code Unlocks

NZXWDJR Alien Assualt Ship
JGREOKN Alien Strike Ship
OJKWDTY Battleship BRTKDQA Brickbeard's Bounty HGQKIRY Catapult UKELZOW Conquistador ITDXPMQ Dwarf BNHSIOZ Dwarf Glider OPKLSWN Dwarf King
LAOEBFG Forestman
RJASKRS Grav Runner
UGDRSQP Islander SHWSDGU Ninja Master KQOCVME Sheriff AMWJHDR Skeleknight ZVDNJSU Space Criminal Leader MSOFRJS Space Police RWPOKJL Space Police Captain VIWHSAZ Space Police Cruiser
BXQIEWD Starfigher PMWQFNG Starship 1 GSIAVCN Tiki Golem ADGJLPI Troll QETUOLJ Troll Blimp KLWDMVC Troll Giant XRCTVYB Troll King FKWPTES Wizard's Dragon