Erosion: Difference between revisions

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'''Erosion''' is an [[Advanced]] [[map]] in ''[[Bloons TD 6]]'', introduced in [[Bloons TD 6 v37.0|version 37.0]].
'''Erosion''' is an [[Advanced]] [[map]] in ''[[Bloons TD 6]]'', introduced in [[Bloons TD 6 v37.0|version 37.0]]. It takes place at an ice floe which gradually melts as rounds progress. A polar bear is present on the map, which moves to stay on solid ice every time a piece melts. The polar bear does not interact with towers or Bloons.
 
This map's concept [https://reddit.com/r/btd6/comments/suxvmx/btd6_map_concept_erosion/ was designed by /u/TheWiseTroll], for the "200k Map Contest Competition" held on /r/btd6, and it was selected as a winner along with [[Dark Dungeons]] and [[Covered Garden]].<ref>[https://old.reddit.com/r/btd6/comments/u0yyrg/part_2_of_the_200k_map_concept_competition/ https://reddit.com/r/btd6/comments/u0yyrg/part_2_of_the_200k_map_concept_competition/]</ref>


==Layout==
==Layout==
Erosion has 6 different paths. Starting on Round 18 and every 18 rounds after, the land will collapse between the current track and the next tracks, selling all land towers on the ice and changing the path to the next lane. [[Pat Fusty (BTD6)|Pat Fusty]], [[Mermonkey (BTD6)|Mermonkeys]], [[Sun Temple (BTD6)|Sun Temples]], and [[True Sun God (BTD6)|True Sun Gods]] are not sold and transform into water towers when the land under them erodes. The map reaches the top-right lane and stops eroding on round 90, and the round 90+ lane is the shortest lane out of any lane in any map that gives rewards in BTD6. Only [[Blons]] has a shorter lane. [[Heli Pilot (BTD6)|Heli Pilots]] cannot fit on the top-right section of this map while [[Banana Farm (BTD6)|Banana Farms]] could, despite Heli Pilots having the smaller footprint out of the two.
Erosion has 6 different paths, only one of which is active at a time. At first, the active path is the one at the bottom left corner.
 
Starting on round 18 and every 18 rounds after, the land between the current track and the next tracks will collapse , selling all land towers on the ice and changing the path to the next lane. [[Pat Fusty (BTD6)|Pat Fusty]], [[Mermonkey (BTD6)|Mermonkeys]], [[Sun Temple (BTD6)|Sun Temples]], and [[True Sun God (BTD6)|True Sun Gods]] are not sold and transform into water towers when the land under them erodes. The map reaches the top-right lane and stops eroding on round 90, and the round 90+ lane is the shortest lane out of any lane in any map that gives rewards in ''BTD6'' (only [[Blons]] has a shorter lane). [[Heli Pilot (BTD6)|Heli Pilots]] cannot by placed on the top-right section of this map while [[Banana Farm (BTD6)|Banana Farms]] could, despite Heli Pilots having the smaller footprint out of the two.


==Strategy==
==Strategy==
Erosion is not particularly difficult outside of CHIMPS mode, as towers sold by the eroding mechanic give back cash. This is not the case in CHIMPS. The eroding mechanic, along with the extremely short length of the round 90+ track, make Erosion generally considered as an [[Expert]]-level, mis-categorized map that is only bested by [[X Factor]] in terms of the difficulty of [[Advanced]] maps. Attempt to place as few towers as possible outside of the top-right in CHIMPS, as they will be sold for no money before the hardest rounds come. For the early game and mid-game, use global towers or towers able to be teleported that can function on the top-right.
Erosion is not particularly difficult outside of [[CHIMPS]] mode, as towers sold by the eroding mechanic give back cash. This is not the case in CHIMPS. The eroding mechanic, along with the extremely short length of the round 90+ track, make Erosion generally considered as an [[Expert]]-level, mis-categorized map that is only bested by [[X Factor]] in terms of the difficulty of [[Advanced]] maps. Attempt to place as few towers as possible outside of the top-right in CHIMPS, as they will be sold for no money before the hardest rounds come. For the early game and mid-game, use global towers or towers able to be teleported that can function on the top-right.


===Recommended towers and upgrades===
===Recommended towers and upgrades===