Let's see
1. Alfredo's Lost Cause,
Softdisk 36,
Softdisk 962. Alfredo's Transport Troubles,
Softdisk 433. Alfredo's Laser Lament,
Softdisk 444. Alfredo's Digestive Dilemma,
Softdisk 455. Alfredo's Crushing Curiosity,
Softdisk 466. Alfredo's Whopping Wattage,
Softdisk 477. Alfredo's Fiery Fiasco,
Softdisk 488. Alfredo's Hulking Hubris,
Softdisk 499. Alfredo's Nuclear Nuisance,
Softdisk 5110. Alfredo's Moriferous Mortality,
Softdisk 53,
Big Blue Disk 3211. Alfredo's Faulty Finale,
Softdisk 5512. Alfredo's Miserable Moniker,
Softdisk 71,
Softdisk 9613. Alfredo's Stupendous Surprise,
Softdisk 98SourceThere are also some Alfredo adventures on Big Blue Disk 7, 8, 9, 10, 11, 12, 16, 17, and 25. But I don't know their names.
PS. I know I answered my own question, but maybe there are more people who are interested in this.