How to Beat Primary Only on Middle of the Road
https://www.youtube.com/watch?v=FbUYnau3Bgc&list=PLgINIdKjTvKs1aIGPbtjsemIyOS8GAOz3&index=14&pp=gAQBiAQB BTD6 Middle of the Road | Easy - Primary Only Strategy Guide
Bloons TD 6 guides for every map and mode, daily challenges and the BTD6 Pedia
https://www.youtube.com/watch?v=FbUYnau3Bgc&list=PLgINIdKjTvKs1aIGPbtjsemIyOS8GAOz3&index=14&pp=gAQBiAQB BTD6 Middle of the Road | Easy - Primary Only Strategy Guide
https://www.youtube.com/watch?v=cYP2BQ0fysA&list=PLgINIdKjTvKuVS5ZL-bh8areyPGGSNbMt&index=14&pp=gAQBiAQB BTD6 In The Loop | Primary Only Strategy Guide