It mainly contains Grass Terrains, Forest Terrains and Heavy Forest Terrains. Other tiles that also appear include those of Lake Terrains, River Terrains, Desert Terrains, Hills Terrains, Jungle Terrains, Mountains Terrains, Caves Terrains, Snow Terrains and Volcano Terrains.
A player's city in Grassy Pass is required to attain Level 15 to unlock a Bloon Dunes city.https://bloons.fandom.com/wiki/Grassy_Pass?action=edit#
- Players in both mobile and PC versions learn the tutorial in this area.
- Unlike Bloons Dunes, this area does not have an extra map for most terrains, because these maps are exclusive to that area.