- credit
- {"role":4,"exists":true,"person":538} → {"role":4,"exists":true,"person":538}
- credit
- {"role":2,"exists":true,"person":273} → {"role":2,"exists":true,"person":273}
- gameplay_feature
- {"count":3,"exists":true,"gameplay_feature":134}
- gameplay_feature
- {"count":3,"exists":true,"gameplay_feature":112}
- gameplay_feature
- {"count":2,"exists":true,"gameplay_feature":170}
- gameplay_feature
- {"count":6,"exists":true,"gameplay_feature":104}
- gameplay_feature
- {"count":1,"exists":true,"gameplay_feature":79}
- gameplay_feature
- {"count":6,"exists":true,"gameplay_feature":123}
- ipdb.corporate_entity_name
- Bally Manufacturing Corporation
- ipdb_id
- 572 → 572
- ipdb.image_urls
- ["https://www.ipdb.org/images/572/Machine.jpg","https://www.ipdb.org/images/572/572f1.jpg","https://www.ipdb.org/images/...
- ipdb.manufacturer_trade_name
- Bally
- ipdb.model_number
- 825
- ipdb.notable_features
- Zipper flippers (2), Pop bumpers (3), Mushroom bumpers (6), Slingshots (3), Rollover buttons (6), Kick-out hole (1), Rig...
- ipdb.notes
- A special version was produced for Germany with the same project number and project release date. The schematic part num...
- ipdb_rating
- 7.6
- player_count
- 4 → 4
- production_quantity
- 2160 → 2160
- reward_type
- {"exists":true,"reward_type":5}
- technology_generation
- electromechanical → electromechanical
- theme
- {"theme":297,"exists":true} → {"theme":297,"exists":true}
- year
- 1969 → 1969