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Grasslands Map Walkthrough – Hard – Classic Mode
Thanks to several users from the Fieldrunners Forum, mainly ‘Straycat’, ‘Pillyliu’, ‘Karlitot’ and our own Strategy Guide Committee we now have a solution to beat the Grasslands map on Hard Difficulty (Classic mode). This strategy doesn’t use the controversial ‘tower selling’ or ‘endless maze’ tactic, which some comrades believe is a type of cheat or exploit in the game.
Of course you don’t have to follow this guide exactly if you still want a challenge. Here at the Strategy Games HQ, we found it was more fun to use it as a rough guide instead of following it step by step.
Note: While it is possible to get a perfect score (no towers sold or hearts lost) using this layout, but it is extremely difficult as it requires very strategic timing in the placement of your towers.

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Step 1:Build 3 Gatling Towers. Upgrade #1 and #3. |
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Step 2:1- Build 2 Lightning Towers and upgrade to Level 2. (First one needs to be completed by Round 10) 2- Build Goo Tower. 3- Build Goo Tower. Complete by Round 20. |
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Step 3:
Build the towers as illustrated, starting with the Goo Tower, then the 4 Gatlings and finally the Lightning. Complete before Round 24. |
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Step 4:
Add another 2 Gatling Towers as indicated by Round 25. |
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Step 5:
This is where things get interesting (and very difficult if you are going for a perfect score.) The order that you place these towers in is critical to stopping any fieldrunners from passing.1- Build a Gatling Tower and 2 Goo Towers |
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Step 6:
1- Upgrade top left Goo Tower to Level 3 |
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Step 7:
1- Upgrade Lightning Tower to Level 2 |
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Step 8:
1- Upgrade Lightning Tower to Level 3 |
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Step 9:
1- Upgrade both Lightning Towers to Level 3. |
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Step 10:
1- Upgrade Lighting tower to Level 3. |
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Step 11:
1- Build Goo Tower, upgrade to Level 3. |
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Step 12:
1- Upgrade Lightning Tower to Level 3. |
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Step 13:
1- Build Lightning Tower. |
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Step 14:
1- Upgrade Lightning Tower to Level 3. |
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Step 15:
1- Build Goo Tower and upgrade to Level 3. |
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Step 16:
1- Build Lightning Tower and upgrade to Level 3. |
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Step 17:
1- Upgrade Lightning Tower to Level 3 in Round 100. |
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Step 18:
Build the final Gatling Tower just before the mech robot thing gets to the gate. This will effectively block the gate and force him to turn around. |
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VICTORY For the Peoples! |




















