Giana Sisters DS Cheats - Nintendo DS
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Unlock Stages
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.