Here is a campaign where every new map is one second longer. Good Luck!
Sub 1 - AT: 0.902
v3HATVnYgED4p9YlBGZAEohUYghfffXPDeBJefvfveMDAQWhcAG
Sub 2 - AT: 1.932
v3HATVnYgID4p9YlBGZAEoBWBTygsMwEQaGZoBWYghfffXPQJhxyHwqkRYqkRJBrSI6Ek8MCnFAodjdwU
Sub 3 - AT: 2.966
v3HATVnYgMD4p9YlBGZAEoBokshEff3fXPzemBmAy6fff1DnkRwyBhtkgllRYqGqogYlCSmDQRZCA4f4eijB
Sub 4 - AT: 3.920
v3HATVnYgQD4p9YlBGZAEoBWBTyQgMwCEeBK8fffrnZGhxiBIsevfveMyAMWMpMDMBUtAlBomeXg8ZAOLfA2cBKDQxeHg8BgAHWMN
Sub 5 - AT: 4.924
v3HATVnYgUD4pdXMGkDADCCEkFi8L6fZTvYT03tUKaJmyBzMxBKEo35e69azNrSHk6ECfwqgTSejsk8tBSqFXkf1Ia4zSvS6bf37lzwR2fhFAlDfA
Let me know if I should make more of these!