1 bulldozer, on the bulldozer there is a box with 1 number (start = 0). The bulldozer will run from left to right, from either side of the screen there will be cells thrown in, the player must quickly tap those cells to smash and will appear items like (engine, bomb, etc.) then tap again to put the items into the bulldozer, the item will disappear after a few seconds, each time you touch the types like engine, oil, ... the number on the bulldozer will increase, if you type the wrong bomb, the number on the bulldozer will be reduced, each run will have 1 wall, there will be 1 number on the wall, if the number on the bulldozer is larger than the wall, the wall will break and continue running, otherwise => lose
-In the condition: Compare the highest score
Loss Condition: Cannot knock down walls.
The game has 2 modes:
Normal: same as above
Difficult: The right side of the screen will appear bombs thrown towards the bulldozer, the player must tap quickly to destroy them before colliding with the bulldozer