| 1. | The playfield above the player's ship contains 13 columns.
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| 2. | In some more recent games, pieces spawn above the visible playfield.
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| 3. | A placard is usually placed in a lower corner of the playfield.
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| 4. | GTIA modes 9 and 11 do not process playfield collisions.
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| 5. | In GTIA mode 10 Playfield collisions will register where Playfield pixels use COLPF3
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| 6. | In GTIA mode 10 Playfield collisions will register where Playfield pixels use COLPF3
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| 7. | Survival mode challenges the player to completely clear the playfield.
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| 8. | The game is over if all pieces on the playfield become locked.
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| 9. | Since then the playfield has been replaced by a paved parking area.
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| 10. | The top of the playfield contains upper rollovers that advance bonus multiplier.
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