Level 20, part 2. On the right side, the left BB, 2 up. Pick key, ignore the next. Place both BB in front of both upper lateral lasers. Pick the key. Use lower BB to block bottom lateral laser. Use teleport to pull remaining BB 1 down, then right, up, left and block the last lat. laser. To the last area. place BB and LB on the right blocking lasers in diagonal. Place left LB in front of teleporter, pull it up toward the wall. Use last BB to block and finish the game.
Level 20. Middle LB 1 down, then 2 left, 1 down. Right LB 1 right. Left LB, 2 right and 2 up. Use BB to block right LB. Go through teleporter. Drive BB toward teleporter on the right. Go through the left one. Area done. Use 4 BB and place in diagonal to block all lasers and pick the key. Pick another key and get back.
Level 19. Practice teleports, are all symetrical. LB on the right pull left toward laser. Pull 1 up left LB through teleporter, then 2 right. Remaining LB break the wall, pull leftmost, pick key. On top right, place LB and BB in front of teleporters and use teleporters on the opposite side pulling LB and BB in correct order to clear the path. Well, the exit is easy. Not so hard.
Level 18, part 2. Pull LB pointing to the left, pull down 2. Clear path and take the box to the left to break 2 blocks in the middle and hide it. Go to next area. Pull 2º and 4º BB 1 up (from left to right). Pull 1º 1 left, then 3º 2 left. Now use 3BB to block all 3 lasers. Break remaining block in the middle and block it with 4º BB. End.
Level 18. At start, both laser box on the right, put them between black box and laser box. Leftmost laser box pull upmost. Laser box pointing to the right 1 down, then this one with one below both 1 right. The bottom one, 2 left and then drive that box to exit. On the other side, lower laser box (LB) 1 up, go left, 1 up, go left, next LB 2 up, go around BB (black box). Use LB to open the exit. Use upper BB to block the laser and another BB down to block LB. Do not exit still.
Part 17. Part 2. Middle left laser box, 1 up, 4 right (between other 2 laser boxes), make a way around and pull it up 1 square, rightmost, 1 up, right toward the square. Now use this box and black box to cut rightmost laser from both endings. Pick keys. Exit.
Level 17. Part 1. To the right with black box. Top right laser box 1 up. Lower right laser box, left, up, leftmost. Pick key. Middle right laser box 1 up and leftmost. Then the box below 1 down to bottom cutting middle lasers totally, important. Pick key. Left upper laser box 3 down, 2 left.
In level 16, leave one of black box in the beginning in the middle of the area so later drive the laser box in the middle to recover that black box. I used 3 black boxes and 3 laser boxes to tap all lasers to go to exit. Laser boxes must block both left lasers and the first from the top lasers. All the rest is up to all 3 black boxes.
That bubbles works when you include that bubble letter inside the right word. For example: if the word starts with "lov" and bubble says "y", then the world would be lovely. Type on time to activate the bonus. Really hard for me because there're "q", "x" and "z" bubbles which makes my creativity to crash instantly.
The controls are weird: sometimes teleports through walls, sometimes drops down magically, other times do not jump against the wall. Pff, what I could say here...
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