A fangame made by Ramaf Party which is basically Bloons but with new upgrades, towers and some other awesomeness to it like new bloons, secret upgrade paths and much more.
"I think I underrate Bloons TD X because this game was well-made and definitely a lot of work put into."
A mod for Bloons TD 5 which is made by 5h3i1ah, adding many new maps into BTD5 as well as new custom towers and also some from David's XtraCards mod such as the Corsair Monkey.
Player88: "I found a cool BTD5 mod called Bloons TD 5 Expansion!"
Player441: "Interesting, I've heard of BTD4 Expansion and now we have a BTD5 Expansion?"
Player88: "You better check this awesome mod out sir!"
Player441: "Ok, hopefully it's something we'll try out!"