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Waves 1 - 10

Be sure to pause the game at the start, then set up your tower(s) as the distance to the exit is nearly non-existent.

– The maze we’re going show you won’t work brilliantly on Endless Mode (you’ll want to snake it around the whole map for that), but it works brilliantly for getting the three stars on Heroic.

– Cover their exit tunnel with a long-lasting item (preferably Spanish Flu as there’s no Hazmat’s on this level), but something is better than nothing.

– Build the towers so you’re leading them north (towards the bridge).

Waves 11 - 20

Block off the tile north of their exit tunnel and the two tiles to the right of the bridge to create the loop you want.

– Once you’ve done this, swap the Gun Tower north of their entrance to a Spark Tower and upgrade this ASAP.

– By wave 18 you’ll want a Slow Tower sitting right beside their entrance. Polymorph preferable (as always), but Oil Towers will work well here too.

Waves 21 - 30

Dropping a Slow Tower by the entrance will make a huge difference to how effective your Spark Towers are.

– Upgrade the tower near the left side of the bridge to a Spark Tower, fully upgrade it then save up enough cash for a Tesla Tower and drop it to the right of the Spark Tower by the bridge.

Waves 31 - 40

Upgrade the Tesla Tower to level three whilst you’re at it.

– Use these 10 waves to replace all the Gun Towers ( that are still directly facing the unit entrance) with upgraded Spark Towers.

Waves 41 - 50

The Tesla Towers have increased range and splash damage effects at level three, making them perfect towers for covering the looping bridge area.

– Drop another Tesla Tower on the map, this time to the left of the current Tesla and Spark Towers and be sure to upgrade it to level three.

– ALL Gun towers north of the entrance should be level three Spark Towers and also drop a new Speak Tower to the north-east of the bridge (that you’ll want to upgrade to level three ASAP).

Waves 51 - 60

See that lonely tile north of the Fieldrunners exit tunnel? Place a Slow Tower here to maximise the damage sustained as they pass over, and then under, the bridge.

– Set a Tesla Tower up in the northern corner of the map, just above the Spark Tower and upgrade it.

– Replace the Gun Tower that’s facing the exit ramp of the bridge with a Flamethrower Tower. Whilst there are Toastmaster units in this map, they’re not as frequent as regular non-fireproof units, meaning it’ll still help out quite a lot.

Waves 61 - 70

Place an additional Slow, Tesla and Spark tower in the upper left corner of the maze to pick off any units that make it past the bridge.

– Swap out every remaining Gun Tower with an upgraded Spark Tower and now focus on lining the outer region of the maze with towers as you’ll find the Fieldrunners are more likely to make it that far now.

Waves 71 - 80

Whilst items are never essential (you could always let a few units leak and still earn three stars on Heroic), they can make it much easier for you.

– Even with a fully upgraded Tesla Tower covering their entrance (and a Slow and Spark tower behind that), it’s still possible for a couple of units to make it to the exit. Now would be a great time to make sure you’ve got an item waiting at the exit to give them the good news.

– Now it’s a simple matter of lining the route to the exit with Gun Towers and upgrading everything with the cash you have left. Easy.

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Guide Information
  • Publisher
    Subatomic Studios LLC
  • Platforms,
    PC
  • Genre
    Action
  • Guide Release
    25 March 2013
  • Last Updated
    7 December 2020
  • Guide Author
    Andrew Mills

Share this free guide:

Inside this guide:

  • How to complete all 25 maps on Heroic difficulty with three stars.
  • The tricks to earning super high-scores!
  • Which levels are the best for earning those elusive gold coins!
  • Complete all survival maps without a single enemy getting out.
  • Each and every tower and item in the game - and how to get them.
  • Hidden Easter Eggs!
  • Exclusive map data - direct from Subatomic Studios!
  • Stunning HD screenshots.
  • All solutions can been watched in HD with audio commentary.

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