Giana Sisters DS Cheats

Unlockable Stages
There are 12 hidden stages in the game. 8 of them appear on the world map automatically, but needs to be unlocked by collecting all red diamonds in a given world. Remaining 4 appear after completing certain objectives.

10th stage in each world: Collect all red diamonds
Stage 9-1: Beat the game without seeing "Game Over" screen.
Stage 9-2: Beat stage 9-1.
Stage X-1: In stage 4-3 use a warp block located directly above your starting position. Use bubble gum to get there.
Stage X-2: In stage 6-7 after reaching the first check-point flower continue to the right until you reach a bazooka bee. Bounce of its back to find a warp block.