Mushroom Grotto
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| Difficulty | Advanced | ||
|---|---|---|---|
| Music | Tribes & Tribulations | ||
| Default Co-op division | Free-for-all | ||
| Introduced | Version 54.0 | ||
| Entrances | 2 | Exits | 2 |
| Junctions | 0 | Water? | No |
| Removables and gizmos |
|---|
|
| Path lengths (RBS) | ||||
|---|---|---|---|---|
| Path | Easy | Medium | Hard | |
| Left | 23.2 | 21.1 | 18.6 | |
| Right | 23.5 | 21.4 | 18.8 | |
Mushroom Grotto is an Advanced map in Bloons TD 6, introduced in version 54.0. It is set inside a forest populated with mushrooms. The mushrooms apply regions of spore-filled darkness that towers cannot target through, but the player can interact with the mushrooms to illuminate more areas.
Reddit user u/Oski_01 designed this map[1] for the BTD6 7 Year Anniversary Map Competition on the official Bloons TD 6 subreddit.[2] It was one of three winning entries, alongside Tricky Tracks and the upcoming Ship Capture.[3] It was originally created in the Map Editor, and players can access the original map in the Content Browser using the code ZFMVFCD.
Layout
The map features 2 winding tracks that intersect towards the center. The Bloons come from the top-left and bottom-right corners, and move towards the opposite corner. The main gimmick of this map is that Monkeys cannot see or damage Bloons that are in the dark, nor can Monkeys be placed in the dark.
By default the center mushroom is the only light source, and the smaller mushroom patches can be lit up for $250 in order to increase the revealed area. Towers cannot detect Bloons in the hidden area, similar to how Camo Bloons function with towers that cannot see camo, but their projectiles can still hit them normally. Downdraft and higher can still use its main attack on hidden Bloons, but only right after it successfully blows back one. Once the four smaller mushroom patches have been purchased, the larger mushroom can be bought for $400, which increases the light radius of all mushrooms.
Strategy
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Overall, the early game is the hardest part of this map with its darkness gimmick, limiting placement and vision while being not an obstacle. It gets relatively easier starting from about the 20s once all the mushrooms can be lighted up. That being said, the mushrooms don't have to be lighted up, because some towers actually thrive off this.
Recommended towers and upgrades
| Name | Portrait | Reasoning |
|---|---|---|
| Carpet of Spikes | 
|
When no mushrooms are activated, all its spikes guarantee to land on the middle section, concentrating its damage. |
| Mortar Monkey, Dartling Gunner |  
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These towers fire their projectiles without requiring a target, granting them much more effective range for the early rounds compared to other tower options. |
Gallery
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This section needs more screenshots. See the screenshot guidelines for more information on what screenshots are needed and how to add them. The editor that added this notice elaborates: Map Editor version |
In other languages
| Language | Text | Notes |
|---|---|---|
| Arabic | مغارة الفطر | — |
| Danish | Svampegrotten | — |
| German | Pilzgrotte | — |
| Spanish | Gruta de hongos | — |
| Spanish (Latin America) | Gruta de hongos | — |
| Finnish | Sieniluola | — |
| French | Grotte des champignons | — |
| Italian | Grotta dei funghi | — |
| Japanese | キノコ洞窟 | — |
| Korean | 버섯 동굴 | — |
| Dutch | Paddenstoelengrot | — |
| Norwegian | Soppgrotte | — |
| Polish | Grota grzybów | — |
| Portuguese (Brazil) | Gruta dos Cogumelos | — |
| Russian | Грибной грот | — |
| Swedish | Svampgrotta | — |
| Thai | ถ้ำเห็ด | — |
| Turkish | Mantar Mağarası | — |
| Chinese (simplified) | 蘑菇洞窟 | — |
| Chinese (traditional) | 蘑菇洞窟 | — |
References
- ↑ "Map submission. Mushroom Grotto. More info in the post. ZFMVFCD". Reddit. Retrieved Sat, 4 Apr 2026.
- ↑ "https://www.reddit.com/r/btd6/comments/1lbl6pg/btd6_7_year_anniversary_map_competition/". Reddit. Retrieved Sat, 4 Apr 2026.
- ↑ CoreyNK (Thu, 17 Jul 2025). "7th Anniversary Map Competition Winners!". Ninja Kiwi on Reddit. Retrieved Sat, 4 Apr 2026.